17819840

素因数分解:

$2^6\times 5^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 56

約数和(自身を含む): 42793920

約数和(自身を除く): 24974080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 233, 239, 320, 466, 478, 932, 956, 1165, 1195, 1864, 1912, 2330, 2390, 3728, 3824, 4660, 4780, 7456, 7648, 9320, 9560, 14912, 15296, 18640, 19120, 37280, 38240, 55687, 74560, 76480, 111374, 222748, 278435, 445496, 556870, 890992, 1113740, 1781984, 2227480, 3563968, 4454960, 8909920, 17819840]

約数ペア:

[(1, 17819840), (2, 8909920), (4, 4454960), (5, 3563968), (8, 2227480), (10, 1781984), (16, 1113740), (20, 890992), (32, 556870), (40, 445496), (64, 278435), (80, 222748), (160, 111374), (233, 76480), (239, 74560), (320, 55687), (466, 38240), (478, 37280), (932, 19120), (956, 18640), (1165, 15296), (1195, 14912), (1864, 9560), (1912, 9320), (2330, 7648), (2390, 7456), (3728, 4780), (3824, 4660)]