19893305

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 24809664

約数和(自身を除く): 4916359

約数列:

[1, 5, 43, 67, 215, 335, 1381, 2881, 6905, 14405, 59383, 92527, 296915, 462635, 3978661, 19893305]

約数ペア:

[(1, 19893305), (5, 3978661), (43, 462635), (67, 296915), (215, 92527), (335, 59383), (1381, 14405), (2881, 6905)]