18634007

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 3871465

約数列:

[1, 7, 31, 43, 217, 301, 1333, 1997, 9331, 13979, 61907, 85871, 433349, 601097, 2662001, 18634007]

約数ペア:

[(1, 18634007), (7, 2662001), (31, 601097), (43, 433349), (217, 85871), (301, 61907), (1333, 13979), (1997, 9331)]