19458290

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1409}}^1$

素因数の和:2797

約数の個数: 16

約数和(自身を含む): 35075160

約数和(自身を除く): 15616870

約数列:

[1, 2, 5, 10, 1381, 1409, 2762, 2818, 6905, 7045, 13810, 14090, 1945829, 3891658, 9729145, 19458290]

約数ペア:

[(1, 19458290), (2, 9729145), (5, 3891658), (10, 1945829), (1381, 14090), (1409, 13810), (2762, 7045), (2818, 6905)]