19869629

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 22248240

約数和(自身を除く): 2378611

約数列:

[1, 13, 37, 101, 409, 481, 1313, 3737, 5317, 15133, 41309, 48581, 196729, 537017, 1528433, 19869629]

約数ペア:

[(1, 19869629), (13, 1528433), (37, 537017), (101, 196729), (409, 48581), (481, 41309), (1313, 15133), (3737, 5317)]