19542865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 24629760

約数和(自身を除く): 5086895

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2137, 9145, 10685, 66247, 126083, 331235, 630415, 3908573, 19542865]

約数ペア:

[(1, 19542865), (5, 3908573), (31, 630415), (59, 331235), (155, 126083), (295, 66247), (1829, 10685), (2137, 9145)]