18722893

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 22320000

約数和(自身を除く): 3597107

約数列:

[1, 7, 29, 149, 203, 619, 1043, 4321, 4333, 17951, 30247, 92231, 125657, 645617, 2674699, 18722893]

約数ペア:

[(1, 18722893), (7, 2674699), (29, 645617), (149, 125657), (203, 92231), (619, 30247), (1043, 17951), (4321, 4333)]