19288336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70913}}^1$

素因数の和:70938

約数の個数: 20

約数和(自身を含む): 39570012

約数和(自身を除く): 20281676

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70913, 141826, 283652, 567304, 1134608, 1205521, 2411042, 4822084, 9644168, 19288336]

約数ペア:

[(1, 19288336), (2, 9644168), (4, 4822084), (8, 2411042), (16, 1205521), (17, 1134608), (34, 567304), (68, 283652), (136, 141826), (272, 70913)]