18999031

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^3\times {\mathrm{41}}^1$

素因数の和:147

約数の個数: 16

約数和(自身を含む): 21218400

約数和(自身を除く): 2219369

約数列:

[1, 19, 29, 41, 551, 779, 841, 1189, 15979, 22591, 24389, 34481, 463391, 655139, 999949, 18999031]

約数ペア:

[(1, 18999031), (19, 999949), (29, 655139), (41, 463391), (551, 34481), (779, 24389), (841, 22591), (1189, 15979)]