19963097

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2423}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 25132032

約数和(自身を除く): 5168935

約数列:

[1, 7, 11, 77, 107, 749, 1177, 2423, 8239, 16961, 26653, 186571, 259261, 1814827, 2851871, 19963097]

約数ペア:

[(1, 19963097), (7, 2851871), (11, 1814827), (77, 259261), (107, 186571), (749, 26653), (1177, 16961), (2423, 8239)]