18059560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6359}}^1$

素因数の和:6441

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 23153240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6359, 12718, 25436, 31795, 50872, 63590, 127180, 254360, 451489, 902978, 1805956, 2257445, 3611912, 4514890, 9029780, 18059560]

約数ペア:

[(1, 18059560), (2, 9029780), (4, 4514890), (5, 3611912), (8, 2257445), (10, 1805956), (20, 902978), (40, 451489), (71, 254360), (142, 127180), (284, 63590), (355, 50872), (568, 31795), (710, 25436), (1420, 12718), (2840, 6359)]