18217340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6553}}^1$

素因数の和:6701

約数の個数: 24

約数和(自身を含む): 38537520

約数和(自身を除く): 20320180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6553, 13106, 26212, 32765, 65530, 131060, 910867, 1821734, 3643468, 4554335, 9108670, 18217340]

約数ペア:

[(1, 18217340), (2, 9108670), (4, 4554335), (5, 3643468), (10, 1821734), (20, 910867), (139, 131060), (278, 65530), (556, 32765), (695, 26212), (1390, 13106), (2780, 6553)]