19717370

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17449}}^1$

素因数の和:17569

約数の個数: 16

約数和(自身を含む): 35807400

約数和(自身を除く): 16090030

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 17449, 34898, 87245, 174490, 1971737, 3943474, 9858685, 19717370]

約数ペア:

[(1, 19717370), (2, 9858685), (5, 3943474), (10, 1971737), (113, 174490), (226, 87245), (565, 34898), (1130, 17449)]