17894140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 23433860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 499, 652, 815, 998, 1630, 1793, 1996, 2495, 3260, 3586, 4990, 5489, 7172, 8965, 9980, 10978, 17930, 21956, 27445, 35860, 54890, 81337, 109780, 162674, 325348, 406685, 813370, 894707, 1626740, 1789414, 3578828, 4473535, 8947070, 17894140]

約数ペア:

[(1, 17894140), (2, 8947070), (4, 4473535), (5, 3578828), (10, 1789414), (11, 1626740), (20, 894707), (22, 813370), (44, 406685), (55, 325348), (110, 162674), (163, 109780), (220, 81337), (326, 54890), (499, 35860), (652, 27445), (815, 21956), (998, 17930), (1630, 10978), (1793, 9980), (1996, 8965), (2495, 7172), (3260, 5489), (3586, 4990)]