18542620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2801}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 39071088

約数和(自身を除く): 20528468

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2801, 3310, 5602, 6620, 11204, 14005, 28010, 56020, 927131, 1854262, 3708524, 4635655, 9271310, 18542620]

約数ペア:

[(1, 18542620), (2, 9271310), (4, 4635655), (5, 3708524), (10, 1854262), (20, 927131), (331, 56020), (662, 28010), (1324, 14005), (1655, 11204), (2801, 6620), (3310, 5602)]