19555756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{444449}}^1$

素因数の和:444464

約数の個数: 12

約数和(自身を含む): 37333800

約数和(自身を除く): 17778044

約数列:

[1, 2, 4, 11, 22, 44, 444449, 888898, 1777796, 4888939, 9777878, 19555756]

約数ペア:

[(1, 19555756), (2, 9777878), (4, 4888939), (11, 1777796), (22, 888898), (44, 444449)]