19485999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5743}}^1$

素因数の和:5791

約数の個数: 24

約数和(自身を含む): 31362240

約数和(自身を除く): 11876241

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5743, 17229, 51687, 74659, 166547, 223977, 499641, 671931, 1498923, 2165111, 6495333, 19485999]

約数ペア:

[(1, 19485999), (3, 6495333), (9, 2165111), (13, 1498923), (29, 671931), (39, 499641), (87, 223977), (117, 166547), (261, 74659), (377, 51687), (1131, 17229), (3393, 5743)]