2019890885

素因数分解:

$5^1\times {\mathrm{167}}^1\times {\mathrm{991}}^1\times {\mathrm{2441}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 2441843712

約数和(自身を除く): 421952827

約数列:

[1, 5, 167, 835, 991, 2441, 4955, 12205, 165497, 407647, 827485, 2038235, 2419031, 12095155, 403978177, 2019890885]

約数ペア:

[(1, 2019890885), (5, 403978177), (167, 12095155), (835, 2419031), (991, 2038235), (2441, 827485), (4955, 407647), (12205, 165497)]