18538279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 20977920

約数和(自身を除く): 2439641

約数列:

[1, 17, 29, 31, 493, 527, 899, 1213, 15283, 20621, 35177, 37603, 598009, 639251, 1090487, 18538279]

約数ペア:

[(1, 18538279), (17, 1090487), (29, 639251), (31, 598009), (493, 37603), (527, 35177), (899, 20621), (1213, 15283)]