18140921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 2387719

約数列:

[1, 17, 29, 31, 493, 527, 899, 1187, 15283, 20179, 34423, 36797, 585191, 625549, 1067113, 18140921]

約数ペア:

[(1, 18140921), (17, 1067113), (29, 625549), (31, 585191), (493, 36797), (527, 34423), (899, 20179), (1187, 15283)]