18521447

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 22448640

約数和(自身を除く): 3927193

約数列:

[1, 7, 19, 133, 157, 887, 1099, 2983, 6209, 16853, 20881, 117971, 139259, 974813, 2645921, 18521447]

約数ペア:

[(1, 18521447), (7, 2645921), (19, 974813), (133, 139259), (157, 117971), (887, 20881), (1099, 16853), (2983, 6209)]