18347080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26981}}^1$

素因数の和:27009

約数の個数: 32

約数和(自身を含む): 43710840

約数和(自身を除く): 25363760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26981, 53962, 107924, 134905, 215848, 269810, 458677, 539620, 917354, 1079240, 1834708, 2293385, 3669416, 4586770, 9173540, 18347080]

約数ペア:

[(1, 18347080), (2, 9173540), (4, 4586770), (5, 3669416), (8, 2293385), (10, 1834708), (17, 1079240), (20, 917354), (34, 539620), (40, 458677), (68, 269810), (85, 215848), (136, 134905), (170, 107924), (340, 53962), (680, 26981)]