19689170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24923}}^1$

素因数の和:25009

約数の個数: 16

約数和(自身を含む): 35890560

約数和(自身を除く): 16201390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 24923, 49846, 124615, 249230, 1968917, 3937834, 9844585, 19689170]

約数ペア:

[(1, 19689170), (2, 9844585), (5, 3937834), (10, 1968917), (79, 249230), (158, 124615), (395, 49846), (790, 24923)]