19679218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14281}}^1$

素因数の和:14349

約数の個数: 16

約数和(自身を含む): 32391576

約数和(自身を除く): 12712358

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14281, 28562, 185653, 371306, 756893, 1513786, 9839609, 19679218]

約数ペア:

[(1, 19679218), (2, 9839609), (13, 1513786), (26, 756893), (53, 371306), (106, 185653), (689, 28562), (1378, 14281)]