19307561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 23872128

約数和(自身を除く): 4564567

約数列:

[1, 7, 13, 91, 331, 641, 2317, 4303, 4487, 8333, 30121, 58331, 212171, 1485197, 2758223, 19307561]

約数ペア:

[(1, 19307561), (7, 2758223), (13, 1485197), (91, 212171), (331, 58331), (641, 30121), (2317, 8333), (4303, 4487)]