18999690160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{407369}}^1$

素因数の和:407446

約数の個数: 80

約数和(自身を含む): 49099491360

約数和(自身を除く): 30099801200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 2120, 2332, 2915, 4240, 4664, 5830, 9328, 11660, 23320, 46640, 407369, 814738, 1629476, 2036845, 3258952, 4073690, 4481059, 6517904, 8147380, 8962118, 16294760, 17924236, 21590557, 22405295, 32589520, 35848472, 43181114, 44810590, 71696944, 86362228, 89621180, 107952785, 172724456, 179242360, 215905570, 237496127, 345448912, 358484720, 431811140, 474992254, 863622280, 949984508, 1187480635, 1727244560, 1899969016, 2374961270, 3799938032, 4749922540, 9499845080, 18999690160]

約数ペア:

[(1, 18999690160), (2, 9499845080), (4, 4749922540), (5, 3799938032), (8, 2374961270), (10, 1899969016), (11, 1727244560), (16, 1187480635), (20, 949984508), (22, 863622280), (40, 474992254), (44, 431811140), (53, 358484720), (55, 345448912), (80, 237496127), (88, 215905570), (106, 179242360), (110, 172724456), (176, 107952785), (212, 89621180), (220, 86362228), (265, 71696944), (424, 44810590), (440, 43181114), (530, 35848472), (583, 32589520), (848, 22405295), (880, 21590557), (1060, 17924236), (1166, 16294760), (2120, 8962118), (2332, 8147380), (2915, 6517904), (4240, 4481059), (4664, 4073690), (5830, 3258952), (9328, 2036845), (11660, 1629476), (23320, 814738), (46640, 407369)]