1813306540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{556229}}^1$

素因数の和:556401

約数の個数: 24

約数和(自身を含む): 3831312240

約数和(自身を除く): 2018005700

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 556229, 1112458, 2224916, 2781145, 5562290, 11124580, 90665327, 181330654, 362661308, 453326635, 906653270, 1813306540]

約数ペア:

[(1, 1813306540), (2, 906653270), (4, 453326635), (5, 362661308), (10, 181330654), (20, 90665327), (163, 11124580), (326, 5562290), (652, 2781145), (815, 2224916), (1630, 1112458), (3260, 556229)]