42425290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223291}}^1$

素因数の和:223317

約数の個数: 16

約数和(自身を含む): 80385120

約数和(自身を除く): 37959830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223291, 446582, 1116455, 2232910, 4242529, 8485058, 21212645, 42425290]

約数ペア:

[(1, 42425290), (2, 21212645), (5, 8485058), (10, 4242529), (19, 2232910), (38, 1116455), (95, 446582), (190, 223291)]