19987874030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{12251}}^1$

素因数の和:12585

約数の個数: 64

約数和(自身を含む): 39237765120

約数和(自身を除く): 19249891090

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 277, 310, 554, 589, 1178, 1385, 2770, 2945, 5263, 5890, 8587, 10526, 12251, 17174, 24502, 26315, 42935, 52630, 61255, 85870, 122510, 163153, 232769, 326306, 379781, 465538, 759562, 815765, 1163845, 1631530, 1898905, 2327690, 3393527, 3797810, 6787054, 7215839, 14431678, 16967635, 33935270, 36079195, 64477013, 72158390, 105199337, 128954026, 210398674, 322385065, 525996685, 644770130, 1051993370, 1998787403, 3997574806, 9993937015, 19987874030]

約数ペア:

[(1, 19987874030), (2, 9993937015), (5, 3997574806), (10, 1998787403), (19, 1051993370), (31, 644770130), (38, 525996685), (62, 322385065), (95, 210398674), (155, 128954026), (190, 105199337), (277, 72158390), (310, 64477013), (554, 36079195), (589, 33935270), (1178, 16967635), (1385, 14431678), (2770, 7215839), (2945, 6787054), (5263, 3797810), (5890, 3393527), (8587, 2327690), (10526, 1898905), (12251, 1631530), (17174, 1163845), (24502, 815765), (26315, 759562), (42935, 465538), (52630, 379781), (61255, 326306), (85870, 232769), (122510, 163153)]