18690414

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{8629}}^1$

素因数の和:8672

約数の個数: 24

約数和(自身を含む): 39456360

約数和(自身を除く): 20765946

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 8629, 17258, 25887, 51774, 163951, 327902, 491853, 983706, 3115069, 6230138, 9345207, 18690414]

約数ペア:

[(1, 18690414), (2, 9345207), (3, 6230138), (6, 3115069), (19, 983706), (38, 491853), (57, 327902), (114, 163951), (361, 51774), (722, 25887), (1083, 17258), (2166, 8629)]