19690456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79397}}^1$

素因数の和:79434

約数の個数: 16

約数和(自身を含む): 38111040

約数和(自身を除く): 18420584

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79397, 158794, 317588, 635176, 2461307, 4922614, 9845228, 19690456]

約数ペア:

[(1, 19690456), (2, 9845228), (4, 4922614), (8, 2461307), (31, 635176), (62, 317588), (124, 158794), (248, 79397)]