18278320540

素因数分解:

$2^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{547583}}^1$

素因数の和:549261

約数の個数: 24

約数和(自身を含む): 38407541760

約数和(自身を除く): 20129221220

約数列:

[1, 2, 4, 5, 10, 20, 1669, 3338, 6676, 8345, 16690, 33380, 547583, 1095166, 2190332, 2737915, 5475830, 10951660, 913916027, 1827832054, 3655664108, 4569580135, 9139160270, 18278320540]

約数ペア:

[(1, 18278320540), (2, 9139160270), (4, 4569580135), (5, 3655664108), (10, 1827832054), (20, 913916027), (1669, 10951660), (3338, 5475830), (6676, 2737915), (8345, 2190332), (16690, 1095166), (33380, 547583)]