18742659

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4409}}^1$

素因数の和:4534

約数の個数: 16

約数和(自身を含む): 27165600

約数和(自身を除く): 8422941

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4409, 13227, 57317, 171951, 480581, 1441743, 6247553, 18742659]

約数ペア:

[(1, 18742659), (3, 6247553), (13, 1441743), (39, 480581), (109, 171951), (327, 57317), (1417, 13227), (4251, 4409)]