18589923

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9883}}^1$

素因数の和:9919

約数の個数: 24

約数和(自身を含む): 30838080

約数和(自身を除く): 12248157

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 9883, 29649, 88947, 108713, 187777, 326139, 563331, 978417, 1689993, 2065547, 6196641, 18589923]

約数ペア:

[(1, 18589923), (3, 6196641), (9, 2065547), (11, 1689993), (19, 978417), (33, 563331), (57, 326139), (99, 187777), (171, 108713), (209, 88947), (627, 29649), (1881, 9883)]