19514965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 24376320

約数和(自身を除く): 4861355

約数列:

[1, 5, 31, 137, 155, 685, 919, 4247, 4595, 21235, 28489, 125903, 142445, 629515, 3902993, 19514965]

約数ペア:

[(1, 19514965), (5, 3902993), (31, 629515), (137, 142445), (155, 125903), (685, 28489), (919, 21235), (4247, 4595)]