19279239

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11621}}^1$

素因数の和:11710

約数の個数: 16

約数和(自身を含む): 29752320

約数和(自身を除く): 10473081

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 11621, 34863, 81347, 244041, 918059, 2754177, 6426413, 19279239]

約数ペア:

[(1, 19279239), (3, 6426413), (7, 2754177), (21, 918059), (79, 244041), (237, 81347), (553, 34863), (1659, 11621)]