19253971513

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1\times {\mathrm{21019}}^1$

素因数の和:22356

約数の個数: 16

約数和(自身を含む): 22229406720

約数和(自身を除く): 2975435207

約数列:

[1, 7, 107, 749, 1223, 8561, 21019, 130861, 147133, 916027, 2249033, 15743231, 25706237, 179943659, 2750567359, 19253971513]

約数ペア:

[(1, 19253971513), (7, 2750567359), (107, 179943659), (749, 25706237), (1223, 15743231), (8561, 2249033), (21019, 916027), (130861, 147133)]