19785355

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4890485

約数列:

[1, 5, 47, 59, 235, 295, 1427, 2773, 7135, 13865, 67069, 84193, 335345, 420965, 3957071, 19785355]

約数ペア:

[(1, 19785355), (5, 3957071), (47, 420965), (59, 335345), (235, 84193), (295, 67069), (1427, 13865), (2773, 7135)]