18180693

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:978

約数の個数: 20

約数和(自身を含む): 27275820

約数和(自身を除く): 9095127

約数列:

[1, 3, 9, 27, 81, 389, 577, 1167, 1731, 3501, 5193, 10503, 15579, 31509, 46737, 224453, 673359, 2020077, 6060231, 18180693]

約数ペア:

[(1, 18180693), (3, 6060231), (9, 2020077), (27, 673359), (81, 224453), (389, 46737), (577, 31509), (1167, 15579), (1731, 10503), (3501, 5193)]