18466898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1097}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 29250720

約数和(自身を除く): 10783822

約数列:

[1, 2, 19, 38, 443, 886, 1097, 2194, 8417, 16834, 20843, 41686, 485971, 971942, 9233449, 18466898]

約数ペア:

[(1, 18466898), (2, 9233449), (19, 971942), (38, 485971), (443, 41686), (886, 20843), (1097, 16834), (2194, 8417)]