18163123

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 4480589

約数列:

[1, 11, 17, 23, 41, 103, 187, 253, 391, 451, 697, 943, 1133, 1751, 2369, 4223, 4301, 7667, 10373, 16031, 19261, 26059, 40273, 46453, 71791, 97129, 176341, 443003, 789701, 1068419, 1651193, 18163123]

約数ペア:

[(1, 18163123), (11, 1651193), (17, 1068419), (23, 789701), (41, 443003), (103, 176341), (187, 97129), (253, 71791), (391, 46453), (451, 40273), (697, 26059), (943, 19261), (1133, 16031), (1751, 10373), (2369, 7667), (4223, 4301)]