18190347

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 29213184

約数和(自身を除く): 11022837

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 571, 777, 861, 1517, 1713, 3997, 4551, 10619, 11991, 21127, 23411, 31857, 63381, 70233, 147889, 163877, 443667, 491631, 866207, 2598621, 6063449, 18190347]

約数ペア:

[(1, 18190347), (3, 6063449), (7, 2598621), (21, 866207), (37, 491631), (41, 443667), (111, 163877), (123, 147889), (259, 70233), (287, 63381), (571, 31857), (777, 23411), (861, 21127), (1517, 11991), (1713, 10619), (3997, 4551)]