2018587360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{664009}}^1$

素因数の和:664043

約数の個数: 48

約数和(自身を含む): 5019915600

約数和(自身を除く): 3001328240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 664009, 1328018, 2656036, 3320045, 5312072, 6640090, 10624144, 12616171, 13280180, 21248288, 25232342, 26560360, 50464684, 53120720, 63080855, 100929368, 106241440, 126161710, 201858736, 252323420, 403717472, 504646840, 1009293680, 2018587360]

約数ペア:

[(1, 2018587360), (2, 1009293680), (4, 504646840), (5, 403717472), (8, 252323420), (10, 201858736), (16, 126161710), (19, 106241440), (20, 100929368), (32, 63080855), (38, 53120720), (40, 50464684), (76, 26560360), (80, 25232342), (95, 21248288), (152, 13280180), (160, 12616171), (190, 10624144), (304, 6640090), (380, 5312072), (608, 3320045), (760, 2656036), (1520, 1328018), (3040, 664009)]