18774049

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4021}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 23166720

約数和(自身を除く): 4392671

約数列:

[1, 7, 23, 29, 161, 203, 667, 4021, 4669, 28147, 92483, 116609, 647381, 816263, 2682007, 18774049]

約数ペア:

[(1, 18774049), (7, 2682007), (23, 816263), (29, 647381), (161, 116609), (203, 92483), (667, 28147), (4021, 4669)]