19826745

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8419}}^1$

素因数の和:8584

約数の個数: 16

約数和(自身を含む): 31928640

約数和(自身を除く): 12101895

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8419, 25257, 42095, 126285, 1321783, 3965349, 6608915, 19826745]

約数ペア:

[(1, 19826745), (3, 6608915), (5, 3965349), (15, 1321783), (157, 126285), (471, 42095), (785, 25257), (2355, 8419)]