18887169

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4969}}^1$

素因数の和:5160

約数の個数: 16

約数和(自身を含む): 28945280

約数和(自身を除く): 10058111

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4969, 14907, 34783, 104349, 899389, 2698167, 6295723, 18887169]

約数ペア:

[(1, 18887169), (3, 6295723), (7, 2698167), (21, 899389), (181, 104349), (543, 34783), (1267, 14907), (3801, 4969)]