19906952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191413}}^1$

素因数の和:191432

約数の個数: 16

約数和(自身を含む): 40196940

約数和(自身を除く): 20289988

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191413, 382826, 765652, 1531304, 2488369, 4976738, 9953476, 19906952]

約数ペア:

[(1, 19906952), (2, 9953476), (4, 4976738), (8, 2488369), (13, 1531304), (26, 765652), (52, 382826), (104, 191413)]