18317761

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 22958208

約数和(自身を除く): 4640447

約数列:

[1, 7, 11, 77, 233, 1021, 1631, 2563, 7147, 11231, 17941, 78617, 237893, 1665251, 2616823, 18317761]

約数ペア:

[(1, 18317761), (7, 2616823), (11, 1665251), (77, 237893), (233, 78617), (1021, 17941), (1631, 11231), (2563, 7147)]