18406760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12437}}^1$

素因数の和:12485

約数の個数: 32

約数和(自身を含む): 42537960

約数和(自身を除く): 24131200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12437, 24874, 49748, 62185, 99496, 124370, 248740, 460169, 497480, 920338, 1840676, 2300845, 3681352, 4601690, 9203380, 18406760]

約数ペア:

[(1, 18406760), (2, 9203380), (4, 4601690), (5, 3681352), (8, 2300845), (10, 1840676), (20, 920338), (37, 497480), (40, 460169), (74, 248740), (148, 124370), (185, 99496), (296, 62185), (370, 49748), (740, 24874), (1480, 12437)]