18528041

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 22266624

約数和(自身を除く): 3738583

約数列:

[1, 7, 23, 157, 161, 733, 1099, 3611, 5131, 16859, 25277, 115081, 118013, 805567, 2646863, 18528041]

約数ペア:

[(1, 18528041), (7, 2646863), (23, 805567), (157, 118013), (161, 115081), (733, 25277), (1099, 16859), (3611, 5131)]