18999710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 36731232

約数和(自身を除く): 17731522

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1531, 2482, 3062, 6205, 7655, 12410, 15310, 26027, 52054, 111763, 130135, 223526, 260270, 558815, 1117630, 1899971, 3799942, 9499855, 18999710]

約数ペア:

[(1, 18999710), (2, 9499855), (5, 3799942), (10, 1899971), (17, 1117630), (34, 558815), (73, 260270), (85, 223526), (146, 130135), (170, 111763), (365, 52054), (730, 26027), (1241, 15310), (1531, 12410), (2482, 7655), (3062, 6205)]