19684430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24917}}^1$

素因数の和:25003

約数の個数: 16

約数和(自身を含む): 35881920

約数和(自身を除く): 16197490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 24917, 49834, 124585, 249170, 1968443, 3936886, 9842215, 19684430]

約数ペア:

[(1, 19684430), (2, 9842215), (5, 3936886), (10, 1968443), (79, 249170), (158, 124585), (395, 49834), (790, 24917)]