20188908

素因数分解:

$2^2\times 3^2\times {\mathrm{560803}}^1$

素因数の和:560813

約数の個数: 18

約数和(自身を含む): 51033164

約数和(自身を除く): 30844256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560803, 1121606, 1682409, 2243212, 3364818, 5047227, 6729636, 10094454, 20188908]

約数ペア:

[(1, 20188908), (2, 10094454), (3, 6729636), (4, 5047227), (6, 3364818), (9, 2243212), (12, 1682409), (18, 1121606), (36, 560803)]