18996835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^2$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 26946864

約数和(自身を除く): 7950029

約数列:

[1, 5, 11, 13, 55, 65, 143, 163, 715, 815, 1793, 2119, 8965, 10595, 23309, 26569, 116545, 132845, 292259, 345397, 1461295, 1726985, 3799367, 18996835]

約数ペア:

[(1, 18996835), (5, 3799367), (11, 1726985), (13, 1461295), (55, 345397), (65, 292259), (143, 132845), (163, 116545), (715, 26569), (815, 23309), (1793, 10595), (2119, 8965)]