19378191

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2141}}^1$

素因数の和:2582

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 10232817

約数列:

[1, 3, 7, 21, 431, 1293, 2141, 3017, 6423, 9051, 14987, 44961, 922771, 2768313, 6459397, 19378191]

約数ペア:

[(1, 19378191), (3, 6459397), (7, 2768313), (21, 922771), (431, 44961), (1293, 14987), (2141, 9051), (3017, 6423)]