19380003865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1712771}}^1$

素因数の和:1712880

約数の個数: 16

約数和(自身を含む): 24335064576

約数和(自身を除く): 4955060711

約数列:

[1, 5, 31, 73, 155, 365, 2263, 11315, 1712771, 8563855, 53095901, 125032283, 265479505, 625161415, 3876000773, 19380003865]

約数ペア:

[(1, 19380003865), (5, 3876000773), (31, 625161415), (73, 265479505), (155, 125032283), (365, 53095901), (2263, 8563855), (11315, 1712771)]