18706311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1583}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 29405376

約数和(自身を除く): 10699065

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 1583, 3939, 4749, 11817, 14247, 20579, 61737, 159883, 185211, 479649, 1438947, 2078479, 6235437, 18706311]

約数ペア:

[(1, 18706311), (3, 6235437), (9, 2078479), (13, 1438947), (39, 479649), (101, 185211), (117, 159883), (303, 61737), (909, 20579), (1313, 14247), (1583, 11817), (3939, 4749)]