19879738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1499}}^1$

素因数の和:1869

約数の個数: 16

約数和(自身を含む): 31500000

約数和(自身を除く): 11620262

約数列:

[1, 2, 19, 38, 349, 698, 1499, 2998, 6631, 13262, 28481, 56962, 523151, 1046302, 9939869, 19879738]

約数ペア:

[(1, 19879738), (2, 9939869), (19, 1046302), (38, 523151), (349, 56962), (698, 28481), (1499, 13262), (2998, 6631)]