19312218

素因数分解:

$2^1\times 3^2\times {\mathrm{1072901}}^1$

素因数の和:1072909

約数の個数: 12

約数和(自身を含む): 41843178

約数和(自身を除く): 22530960

約数列:

[1, 2, 3, 6, 9, 18, 1072901, 2145802, 3218703, 6437406, 9656109, 19312218]

約数ペア:

[(1, 19312218), (2, 9656109), (3, 6437406), (6, 3218703), (9, 2145802), (18, 1072901)]