18690973

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6829}}^1$

素因数の和:6876

約数の個数: 16

約数和(自身を含む): 23604480

約数和(自身を除く): 4913507

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6829, 47803, 116093, 157067, 812651, 1099469, 2670139, 18690973]

約数ペア:

[(1, 18690973), (7, 2670139), (17, 1099469), (23, 812651), (119, 157067), (161, 116093), (391, 47803), (2737, 6829)]