18289790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 35074944

約数和(自身を除く): 16785154

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 271, 397, 542, 794, 1355, 1985, 2710, 3970, 4607, 6749, 9214, 13498, 23035, 33745, 46070, 67490, 107587, 215174, 537935, 1075870, 1828979, 3657958, 9144895, 18289790]

約数ペア:

[(1, 18289790), (2, 9144895), (5, 3657958), (10, 1828979), (17, 1075870), (34, 537935), (85, 215174), (170, 107587), (271, 67490), (397, 46070), (542, 33745), (794, 23035), (1355, 13498), (1985, 9214), (2710, 6749), (3970, 4607)]