19917990504

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{14321}}^1$

素因数の和:14520

約数の個数: 128

約数和(自身を含む): 56921356800

約数和(自身を除く): 37003366296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 137, 141, 188, 216, 274, 282, 376, 411, 423, 548, 564, 822, 846, 1096, 1128, 1233, 1269, 1644, 1692, 2466, 2538, 3288, 3384, 3699, 4932, 5076, 6439, 7398, 9864, 10152, 12878, 14321, 14796, 19317, 25756, 28642, 29592, 38634, 42963, 51512, 57284, 57951, 77268, 85926, 114568, 115902, 128889, 154536, 171852, 173853, 231804, 257778, 343704, 347706, 386667, 463608, 515556, 673087, 695412, 773334, 1031112, 1346174, 1390824, 1546668, 1961977, 2019261, 2692348, 3093336, 3923954, 4038522, 5384696, 5885931, 6057783, 7847908, 8077044, 11771862, 12115566, 15695816, 16154088, 17657793, 18173349, 23543724, 24231132, 35315586, 36346698, 47087448, 48462264, 52973379, 70631172, 72693396, 92212919, 105946758, 141262344, 145386792, 184425838, 211893516, 276638757, 368851676, 423787032, 553277514, 737703352, 829916271, 1106555028, 1659832542, 2213110056, 2489748813, 3319665084, 4979497626, 6639330168, 9958995252, 19917990504]

約数ペア:

[(1, 19917990504), (2, 9958995252), (3, 6639330168), (4, 4979497626), (6, 3319665084), (8, 2489748813), (9, 2213110056), (12, 1659832542), (18, 1106555028), (24, 829916271), (27, 737703352), (36, 553277514), (47, 423787032), (54, 368851676), (72, 276638757), (94, 211893516), (108, 184425838), (137, 145386792), (141, 141262344), (188, 105946758), (216, 92212919), (274, 72693396), (282, 70631172), (376, 52973379), (411, 48462264), (423, 47087448), (548, 36346698), (564, 35315586), (822, 24231132), (846, 23543724), (1096, 18173349), (1128, 17657793), (1233, 16154088), (1269, 15695816), (1644, 12115566), (1692, 11771862), (2466, 8077044), (2538, 7847908), (3288, 6057783), (3384, 5885931), (3699, 5384696), (4932, 4038522), (5076, 3923954), (6439, 3093336), (7398, 2692348), (9864, 2019261), (10152, 1961977), (12878, 1546668), (14321, 1390824), (14796, 1346174), (19317, 1031112), (25756, 773334), (28642, 695412), (29592, 673087), (38634, 515556), (42963, 463608), (51512, 386667), (57284, 347706), (57951, 343704), (77268, 257778), (85926, 231804), (114568, 173853), (115902, 171852), (128889, 154536)]