17920955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4673}}^1$

素因数の和:4750

約数の個数: 16

約数和(自身を含む): 23556960

約数和(自身を除く): 5636005

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 4673, 23365, 60749, 275707, 303745, 1378535, 3584191, 17920955]

約数ペア:

[(1, 17920955), (5, 3584191), (13, 1378535), (59, 303745), (65, 275707), (295, 60749), (767, 23365), (3835, 4673)]