18399285

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 33175680

約数和(自身を除く): 14776395

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1867, 1971, 3285, 5601, 9335, 9855, 16803, 28005, 50409, 84015, 136291, 252045, 408873, 681455, 1226619, 2044365, 3679857, 6133095, 18399285]

約数ペア:

[(1, 18399285), (3, 6133095), (5, 3679857), (9, 2044365), (15, 1226619), (27, 681455), (45, 408873), (73, 252045), (135, 136291), (219, 84015), (365, 50409), (657, 28005), (1095, 16803), (1867, 9855), (1971, 9335), (3285, 5601)]