19684119

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72103}}^1$

素因数の和:72126

約数の個数: 16

約数和(自身を含む): 32302592

約数和(自身を除く): 12618473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72103, 216309, 504721, 937339, 1514163, 2812017, 6561373, 19684119]

約数ペア:

[(1, 19684119), (3, 6561373), (7, 2812017), (13, 1514163), (21, 937339), (39, 504721), (91, 216309), (273, 72103)]