19557889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 2618111

約数列:

[1, 13, 23, 149, 299, 439, 1937, 3427, 5707, 10097, 44551, 65411, 131261, 850343, 1504453, 19557889]

約数ペア:

[(1, 19557889), (13, 1504453), (23, 850343), (149, 131261), (299, 65411), (439, 44551), (1937, 10097), (3427, 5707)]