18520568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{210461}}^1$

素因数の和:210478

約数の個数: 16

約数和(自身を含む): 37883160

約数和(自身を除く): 19362592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 210461, 420922, 841844, 1683688, 2315071, 4630142, 9260284, 18520568]

約数ペア:

[(1, 18520568), (2, 9260284), (4, 4630142), (8, 2315071), (11, 1683688), (22, 841844), (44, 420922), (88, 210461)]