18511240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42071}}^1$

素因数の和:42093

約数の個数: 32

約数和(自身を含む): 45437760

約数和(自身を除く): 26926520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42071, 84142, 168284, 210355, 336568, 420710, 462781, 841420, 925562, 1682840, 1851124, 2313905, 3702248, 4627810, 9255620, 18511240]

約数ペア:

[(1, 18511240), (2, 9255620), (4, 4627810), (5, 3702248), (8, 2313905), (10, 1851124), (11, 1682840), (20, 925562), (22, 841420), (40, 462781), (44, 420710), (55, 336568), (88, 210355), (110, 168284), (220, 84142), (440, 42071)]