18071240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 45092160

約数和(自身を除く): 27020920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 613, 670, 737, 1226, 1340, 1474, 2452, 2680, 2948, 3065, 3685, 4904, 5896, 6130, 6743, 7370, 12260, 13486, 14740, 24520, 26972, 29480, 33715, 41071, 53944, 67430, 82142, 134860, 164284, 205355, 269720, 328568, 410710, 451781, 821420, 903562, 1642840, 1807124, 2258905, 3614248, 4517810, 9035620, 18071240]

約数ペア:

[(1, 18071240), (2, 9035620), (4, 4517810), (5, 3614248), (8, 2258905), (10, 1807124), (11, 1642840), (20, 903562), (22, 821420), (40, 451781), (44, 410710), (55, 328568), (67, 269720), (88, 205355), (110, 164284), (134, 134860), (220, 82142), (268, 67430), (335, 53944), (440, 41071), (536, 33715), (613, 29480), (670, 26972), (737, 24520), (1226, 14740), (1340, 13486), (1474, 12260), (2452, 7370), (2680, 6743), (2948, 6130), (3065, 5896), (3685, 4904)]