19239572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{437263}}^1$

素因数の和:437278

約数の個数: 12

約数和(自身を含む): 36730176

約数和(自身を除く): 17490604

約数列:

[1, 2, 4, 11, 22, 44, 437263, 874526, 1749052, 4809893, 9619786, 19239572]

約数ペア:

[(1, 19239572), (2, 9619786), (4, 4809893), (11, 1749052), (22, 874526), (44, 437263)]