19321160

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1181}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 43615800

約数和(自身を除く): 24294640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1181, 1636, 2045, 2362, 3272, 4090, 4724, 5905, 8180, 9448, 11810, 16360, 23620, 47240, 483029, 966058, 1932116, 2415145, 3864232, 4830290, 9660580, 19321160]

約数ペア:

[(1, 19321160), (2, 9660580), (4, 4830290), (5, 3864232), (8, 2415145), (10, 1932116), (20, 966058), (40, 483029), (409, 47240), (818, 23620), (1181, 16360), (1636, 11810), (2045, 9448), (2362, 8180), (3272, 5905), (4090, 4724)]