18416974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5639}}^1$

素因数の和:5735

約数の個数: 16

約数和(自身を含む): 29237760

約数和(自身を除く): 10820786

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 5639, 11278, 129697, 259394, 400369, 800738, 9208487, 18416974]

約数ペア:

[(1, 18416974), (2, 9208487), (23, 800738), (46, 400369), (71, 259394), (142, 129697), (1633, 11278), (3266, 5639)]