18838426

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7727}}^1$

素因数の和:7805

約数の個数: 16

約数和(自身を含む): 30046464

約数和(自身を除く): 11208038

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7727, 15454, 177721, 355442, 409531, 819062, 9419213, 18838426]

約数ペア:

[(1, 18838426), (2, 9419213), (23, 819062), (46, 409531), (53, 355442), (106, 177721), (1219, 15454), (2438, 7727)]