18286890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1567}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 25742550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1567, 1945, 2334, 3134, 3890, 4701, 5835, 7835, 9402, 11670, 15670, 23505, 47010, 609563, 1219126, 1828689, 3047815, 3657378, 6095630, 9143445, 18286890]

約数ペア:

[(1, 18286890), (2, 9143445), (3, 6095630), (5, 3657378), (6, 3047815), (10, 1828689), (15, 1219126), (30, 609563), (389, 47010), (778, 23505), (1167, 15670), (1567, 11670), (1945, 9402), (2334, 7835), (3134, 5835), (3890, 4701)]