19455079

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 3930521

約数列:

[1, 7, 23, 149, 161, 811, 1043, 3427, 5677, 18653, 23989, 120839, 130571, 845873, 2779297, 19455079]

約数ペア:

[(1, 19455079), (7, 2779297), (23, 845873), (149, 130571), (161, 120839), (811, 23989), (1043, 18653), (3427, 5677)]