18690772

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 34320384

約数和(自身を除く): 15629612

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 2687, 3478, 5374, 6956, 10748, 99419, 126289, 198838, 252578, 397676, 505156, 4672693, 9345386, 18690772]

約数ペア:

[(1, 18690772), (2, 9345386), (4, 4672693), (37, 505156), (47, 397676), (74, 252578), (94, 198838), (148, 126289), (188, 99419), (1739, 10748), (2687, 6956), (3478, 5374)]