18004580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81839}}^1$

素因数の和:81859

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 23242780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81839, 163678, 327356, 409195, 818390, 900229, 1636780, 1800458, 3600916, 4501145, 9002290, 18004580]

約数ペア:

[(1, 18004580), (2, 9002290), (4, 4501145), (5, 3600916), (10, 1800458), (11, 1636780), (20, 900229), (22, 818390), (44, 409195), (55, 327356), (110, 163678), (220, 81839)]