18536870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 18718810

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 3919, 4730, 7838, 19595, 39190, 43109, 86218, 168517, 215545, 337034, 431090, 842585, 1685170, 1853687, 3707374, 9268435, 18536870]

約数ペア:

[(1, 18536870), (2, 9268435), (5, 3707374), (10, 1853687), (11, 1685170), (22, 842585), (43, 431090), (55, 337034), (86, 215545), (110, 168517), (215, 86218), (430, 43109), (473, 39190), (946, 19595), (2365, 7838), (3919, 4730)]