18972548

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4157}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 38187072

約数和(自身を除く): 19214524

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4157, 4564, 8314, 16628, 29099, 58198, 116396, 677591, 1355182, 2710364, 4743137, 9486274, 18972548]

約数ペア:

[(1, 18972548), (2, 9486274), (4, 4743137), (7, 2710364), (14, 1355182), (28, 677591), (163, 116396), (326, 58198), (652, 29099), (1141, 16628), (2282, 8314), (4157, 4564)]