18698810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8498

約数の個数: 32

約数和(自身を含む): 38383632

約数和(自身を除く): 19684822

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8461, 16922, 42305, 84610, 109993, 143837, 219986, 287674, 549965, 719185, 1099930, 1438370, 1869881, 3739762, 9349405, 18698810]

約数ペア:

[(1, 18698810), (2, 9349405), (5, 3739762), (10, 1869881), (13, 1438370), (17, 1099930), (26, 719185), (34, 549965), (65, 287674), (85, 219986), (130, 143837), (170, 109993), (221, 84610), (442, 42305), (1105, 16922), (2210, 8461)]