19808858

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 10517542

約数列:

[1, 2, 71, 142, 199, 398, 701, 1402, 14129, 28258, 49771, 99542, 139499, 278998, 9904429, 19808858]

約数ペア:

[(1, 19808858), (2, 9904429), (71, 278998), (142, 139499), (199, 99542), (398, 49771), (701, 28258), (1402, 14129)]