20178586321

素因数分解:

${\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{628049}}^1$

素因数の和:628176

約数の個数: 12

約数和(自身を含む): 21535834500

約数和(自身を除く): 1357248179

約数列:

[1, 19, 89, 361, 1691, 32129, 628049, 11932931, 55896361, 226725689, 1062030859, 20178586321]

約数ペア:

[(1, 20178586321), (19, 1062030859), (89, 226725689), (361, 55896361), (1691, 11932931), (32129, 628049)]