18482840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5849}}^1$

素因数の和:5939

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 23637160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5849, 11698, 23396, 29245, 46792, 58490, 116980, 233960, 462071, 924142, 1848284, 2310355, 3696568, 4620710, 9241420, 18482840]

約数ペア:

[(1, 18482840), (2, 9241420), (4, 4620710), (5, 3696568), (8, 2310355), (10, 1848284), (20, 924142), (40, 462071), (79, 233960), (158, 116980), (316, 58490), (395, 46792), (632, 29245), (790, 23396), (1580, 11698), (3160, 5849)]