19894930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10639}}^1$

素因数の和:10674

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 21473390

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10639, 21278, 53195, 106390, 117029, 180863, 234058, 361726, 585145, 904315, 1170290, 1808630, 1989493, 3978986, 9947465, 19894930]

約数ペア:

[(1, 19894930), (2, 9947465), (5, 3978986), (10, 1989493), (11, 1808630), (17, 1170290), (22, 904315), (34, 585145), (55, 361726), (85, 234058), (110, 180863), (170, 117029), (187, 106390), (374, 53195), (935, 21278), (1870, 10639)]