18508209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 25841664

約数和(自身を除く): 7333455

約数列:

[1, 3, 31, 71, 93, 213, 2201, 2803, 6603, 8409, 86893, 199013, 260679, 597039, 6169403, 18508209]

約数ペア:

[(1, 18508209), (3, 6169403), (31, 597039), (71, 260679), (93, 199013), (213, 86893), (2201, 8409), (2803, 6603)]