19763420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52009}}^1$

素因数の和:52037

約数の個数: 24

約数和(自身を含む): 43688400

約数和(自身を除く): 23924980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52009, 104018, 208036, 260045, 520090, 988171, 1040180, 1976342, 3952684, 4940855, 9881710, 19763420]

約数ペア:

[(1, 19763420), (2, 9881710), (4, 4940855), (5, 3952684), (10, 1976342), (19, 1040180), (20, 988171), (38, 520090), (76, 260045), (95, 208036), (190, 104018), (380, 52009)]