18626049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 29119272

約数和(自身を除く): 10493223

約数列:

[1, 3, 9, 13, 39, 117, 397, 401, 1191, 1203, 3573, 3609, 5161, 5213, 15483, 15639, 46449, 46917, 159197, 477591, 1432773, 2069561, 6208683, 18626049]

約数ペア:

[(1, 18626049), (3, 6208683), (9, 2069561), (13, 1432773), (39, 477591), (117, 159197), (397, 46917), (401, 46449), (1191, 15639), (1203, 15483), (3573, 5213), (3609, 5161)]