40809938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18911}}^1$

素因数の和:19009

約数の個数: 16

約数和(自身を含む): 66721536

約数和(自身を除く): 25911598

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 18911, 37822, 245843, 491686, 1569613, 3139226, 20404969, 40809938]

約数ペア:

[(1, 40809938), (2, 20404969), (13, 3139226), (26, 1569613), (83, 491686), (166, 245843), (1079, 37822), (2158, 18911)]