19696105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 28103040

約数和(自身を除く): 8406935

約数列:

[1, 5, 11, 13, 55, 65, 143, 163, 169, 715, 815, 845, 1793, 1859, 2119, 2197, 8965, 9295, 10595, 10985, 23309, 24167, 27547, 116545, 120835, 137735, 303017, 358111, 1515085, 1790555, 3939221, 19696105]

約数ペア:

[(1, 19696105), (5, 3939221), (11, 1790555), (13, 1515085), (55, 358111), (65, 303017), (143, 137735), (163, 120835), (169, 116545), (715, 27547), (815, 24167), (845, 23309), (1793, 10985), (1859, 10595), (2119, 9295), (2197, 8965)]