19103679

素因数分解:

$3^2\times 7^2\times {\mathrm{43319}}^1$

素因数の和:43339

約数の個数: 18

約数和(自身を含む): 32100120

約数和(自身を除く): 12996441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43319, 129957, 303233, 389871, 909699, 2122631, 2729097, 6367893, 19103679]

約数ペア:

[(1, 19103679), (3, 6367893), (7, 2729097), (9, 2122631), (21, 909699), (49, 389871), (63, 303233), (147, 129957), (441, 43319)]