16220919856

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{541}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 34568434800

約数和(自身を除く): 18347514944

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 179, 232, 304, 358, 361, 464, 541, 551, 716, 722, 1082, 1102, 1432, 1444, 2164, 2204, 2864, 2888, 3401, 4328, 4408, 5191, 5776, 6802, 8656, 8816, 10279, 10382, 10469, 13604, 15689, 20558, 20764, 20938, 27208, 31378, 41116, 41528, 41876, 54416, 62756, 64619, 82232, 83056, 83752, 96839, 98629, 125512, 129238, 164464, 167504, 193678, 195301, 197258, 251024, 258476, 298091, 387356, 390602, 394516, 516952, 596182, 774712, 781204, 789032, 1033904, 1192364, 1549424, 1562408, 1578064, 1839941, 1873951, 2384728, 2808331, 3124816, 3679882, 3747902, 4769456, 5616662, 5663729, 7359764, 7495804, 11233324, 11327458, 14719528, 14991608, 22466648, 22654916, 29439056, 29983216, 34958879, 44933296, 45309832, 53358289, 69917758, 90619664, 106716578, 139835516, 213433156, 279671032, 426866312, 559342064, 853732624, 1013807491, 2027614982, 4055229964, 8110459928, 16220919856]

約数ペア:

[(1, 16220919856), (2, 8110459928), (4, 4055229964), (8, 2027614982), (16, 1013807491), (19, 853732624), (29, 559342064), (38, 426866312), (58, 279671032), (76, 213433156), (116, 139835516), (152, 106716578), (179, 90619664), (232, 69917758), (304, 53358289), (358, 45309832), (361, 44933296), (464, 34958879), (541, 29983216), (551, 29439056), (716, 22654916), (722, 22466648), (1082, 14991608), (1102, 14719528), (1432, 11327458), (1444, 11233324), (2164, 7495804), (2204, 7359764), (2864, 5663729), (2888, 5616662), (3401, 4769456), (4328, 3747902), (4408, 3679882), (5191, 3124816), (5776, 2808331), (6802, 2384728), (8656, 1873951), (8816, 1839941), (10279, 1578064), (10382, 1562408), (10469, 1549424), (13604, 1192364), (15689, 1033904), (20558, 789032), (20764, 781204), (20938, 774712), (27208, 596182), (31378, 516952), (41116, 394516), (41528, 390602), (41876, 387356), (54416, 298091), (62756, 258476), (64619, 251024), (82232, 197258), (83056, 195301), (83752, 193678), (96839, 167504), (98629, 164464), (125512, 129238)]