19995870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666529}}^1$

素因数の和:666539

約数の個数: 16

約数和(自身を含む): 47990160

約数和(自身を除く): 27994290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666529, 1333058, 1999587, 3332645, 3999174, 6665290, 9997935, 19995870]

約数ペア:

[(1, 19995870), (2, 9997935), (3, 6665290), (5, 3999174), (6, 3332645), (10, 1999587), (15, 1333058), (30, 666529)]