19828404

素因数分解:

$2^2\times 3^2\times {\mathrm{550789}}^1$

素因数の和:550799

約数の個数: 18

約数和(自身を含む): 50121890

約数和(自身を除く): 30293486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550789, 1101578, 1652367, 2203156, 3304734, 4957101, 6609468, 9914202, 19828404]

約数ペア:

[(1, 19828404), (2, 9914202), (3, 6609468), (4, 4957101), (6, 3304734), (9, 2203156), (12, 1652367), (18, 1101578), (36, 550789)]