19380724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440471}}^1$

素因数の和:440486

約数の個数: 12

約数和(自身を含む): 36999648

約数和(自身を除く): 17618924

約数列:

[1, 2, 4, 11, 22, 44, 440471, 880942, 1761884, 4845181, 9690362, 19380724]

約数ペア:

[(1, 19380724), (2, 9690362), (4, 4845181), (11, 1761884), (22, 880942), (44, 440471)]