19655290

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4691}}^1$

素因数の和:5117

約数の個数: 16

約数和(自身を含む): 35471520

約数和(自身を除く): 15816230

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4691, 9382, 23455, 46910, 1965529, 3931058, 9827645, 19655290]

約数ペア:

[(1, 19655290), (2, 9827645), (5, 3931058), (10, 1965529), (419, 46910), (838, 23455), (2095, 9382), (4190, 4691)]