19804998

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{23747}}^1$

素因数の和:23891

約数の個数: 16

約数和(自身を含む): 39896640

約数和(自身を除く): 20091642

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 23747, 47494, 71241, 142482, 3300833, 6601666, 9902499, 19804998]

約数ペア:

[(1, 19804998), (2, 9902499), (3, 6601666), (6, 3300833), (139, 142482), (278, 71241), (417, 47494), (834, 23747)]