19904353

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 23880960

約数和(自身を除く): 3976607

約数列:

[1, 7, 29, 71, 203, 497, 1381, 2059, 9667, 14413, 40049, 98051, 280343, 686357, 2843479, 19904353]

約数ペア:

[(1, 19904353), (7, 2843479), (29, 686357), (71, 280343), (203, 98051), (497, 40049), (1381, 14413), (2059, 9667)]