18670941

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 27855360

約数和(自身を除く): 9184419

約数列:

[1, 3, 9, 61, 71, 183, 213, 479, 549, 639, 1437, 4311, 4331, 12993, 29219, 34009, 38979, 87657, 102027, 262971, 306081, 2074549, 6223647, 18670941]

約数ペア:

[(1, 18670941), (3, 6223647), (9, 2074549), (61, 306081), (71, 262971), (183, 102027), (213, 87657), (479, 38979), (549, 34009), (639, 29219), (1437, 12993), (4311, 4331)]