19746447680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:509

約数の個数: 224

約数和(自身を含む): 50562662400

約数和(自身を除く): 30816214720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 107, 127, 152, 160, 190, 214, 239, 254, 304, 320, 380, 428, 478, 508, 535, 608, 635, 760, 856, 956, 1016, 1070, 1195, 1216, 1270, 1520, 1712, 1912, 2032, 2033, 2140, 2390, 2413, 2540, 3040, 3424, 3824, 4064, 4066, 4280, 4541, 4780, 4826, 5080, 6080, 6848, 7648, 8128, 8132, 8560, 9082, 9560, 9652, 10160, 10165, 12065, 13589, 15296, 16264, 17120, 18164, 19120, 19304, 20320, 20330, 22705, 24130, 25573, 27178, 30353, 32528, 34240, 36328, 38240, 38608, 40640, 40660, 45410, 48260, 51146, 54356, 60706, 65056, 67945, 72656, 76480, 77216, 81320, 90820, 96520, 102292, 108712, 121412, 127865, 130112, 135890, 145312, 151765, 154432, 162640, 181640, 193040, 204584, 217424, 242824, 255730, 258191, 271780, 290624, 303530, 325280, 363280, 386080, 409168, 434848, 485648, 485887, 511460, 516382, 543560, 576707, 607060, 650560, 726560, 772160, 818336, 869696, 971296, 971774, 1022920, 1032764, 1087120, 1153414, 1214120, 1290955, 1453120, 1636672, 1942592, 1943548, 2045840, 2065528, 2174240, 2306828, 2428240, 2429435, 2581910, 2883535, 3247771, 3887096, 4091680, 4131056, 4348480, 4613656, 4856480, 4858870, 5163820, 5767070, 6495542, 7774192, 8183360, 8262112, 9227312, 9712960, 9717740, 10327640, 11534140, 12991084, 15548384, 16238855, 16524224, 18454624, 19435480, 20655280, 23068280, 25982168, 31096768, 32477710, 36909248, 38870960, 41310560, 46136560, 51964336, 61707649, 64955420, 77741920, 82621120, 92273120, 103928672, 123415298, 129910840, 155483840, 184546240, 207857344, 246830596, 259821680, 308538245, 493661192, 519643360, 617076490, 987322384, 1039286720, 1234152980, 1974644768, 2468305960, 3949289536, 4936611920, 9873223840, 19746447680]

約数ペア:

[(1, 19746447680), (2, 9873223840), (4, 4936611920), (5, 3949289536), (8, 2468305960), (10, 1974644768), (16, 1234152980), (19, 1039286720), (20, 987322384), (32, 617076490), (38, 519643360), (40, 493661192), (64, 308538245), (76, 259821680), (80, 246830596), (95, 207857344), (107, 184546240), (127, 155483840), (152, 129910840), (160, 123415298), (190, 103928672), (214, 92273120), (239, 82621120), (254, 77741920), (304, 64955420), (320, 61707649), (380, 51964336), (428, 46136560), (478, 41310560), (508, 38870960), (535, 36909248), (608, 32477710), (635, 31096768), (760, 25982168), (856, 23068280), (956, 20655280), (1016, 19435480), (1070, 18454624), (1195, 16524224), (1216, 16238855), (1270, 15548384), (1520, 12991084), (1712, 11534140), (1912, 10327640), (2032, 9717740), (2033, 9712960), (2140, 9227312), (2390, 8262112), (2413, 8183360), (2540, 7774192), (3040, 6495542), (3424, 5767070), (3824, 5163820), (4064, 4858870), (4066, 4856480), (4280, 4613656), (4541, 4348480), (4780, 4131056), (4826, 4091680), (5080, 3887096), (6080, 3247771), (6848, 2883535), (7648, 2581910), (8128, 2429435), (8132, 2428240), (8560, 2306828), (9082, 2174240), (9560, 2065528), (9652, 2045840), (10160, 1943548), (10165, 1942592), (12065, 1636672), (13589, 1453120), (15296, 1290955), (16264, 1214120), (17120, 1153414), (18164, 1087120), (19120, 1032764), (19304, 1022920), (20320, 971774), (20330, 971296), (22705, 869696), (24130, 818336), (25573, 772160), (27178, 726560), (30353, 650560), (32528, 607060), (34240, 576707), (36328, 543560), (38240, 516382), (38608, 511460), (40640, 485887), (40660, 485648), (45410, 434848), (48260, 409168), (51146, 386080), (54356, 363280), (60706, 325280), (65056, 303530), (67945, 290624), (72656, 271780), (76480, 258191), (77216, 255730), (81320, 242824), (90820, 217424), (96520, 204584), (102292, 193040), (108712, 181640), (121412, 162640), (127865, 154432), (130112, 151765), (135890, 145312)]