18741527

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1973}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 3998953

約数列:

[1, 7, 23, 59, 161, 413, 1357, 1973, 9499, 13811, 45379, 116407, 317653, 814849, 2677361, 18741527]

約数ペア:

[(1, 18741527), (7, 2677361), (23, 814849), (59, 317653), (161, 116407), (413, 45379), (1357, 13811), (1973, 9499)]