19155769

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 20405440

約数和(自身を除く): 1249671

約数列:

[1, 43, 61, 67, 109, 2623, 2881, 4087, 4687, 6649, 7303, 175741, 285907, 314029, 445483, 19155769]

約数ペア:

[(1, 19155769), (43, 445483), (61, 314029), (67, 285907), (109, 175741), (2623, 7303), (2881, 6649), (4087, 4687)]