18574581

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 25593920

約数和(自身を除く): 7019339

約数列:

[1, 3, 43, 109, 129, 327, 1321, 3963, 4687, 14061, 56803, 143989, 170409, 431967, 6191527, 18574581]

約数ペア:

[(1, 18574581), (3, 6191527), (43, 431967), (109, 170409), (129, 143989), (327, 56803), (1321, 14061), (3963, 4687)]