18090215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25301}}^1$

素因数の和:25330

約数の個数: 16

約数和(自身を含む): 25504416

約数和(自身を除く): 7414201

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 25301, 126505, 278311, 328913, 1391555, 1644565, 3618043, 18090215]

約数ペア:

[(1, 18090215), (5, 3618043), (11, 1644565), (13, 1391555), (55, 328913), (65, 278311), (143, 126505), (715, 25301)]