19727799

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 12958281

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 569, 889, 1651, 1707, 2667, 3983, 4953, 7397, 11557, 11949, 22191, 34671, 51779, 72263, 155337, 216789, 505841, 939419, 1517523, 2818257, 6575933, 19727799]

約数ペア:

[(1, 19727799), (3, 6575933), (7, 2818257), (13, 1517523), (21, 939419), (39, 505841), (91, 216789), (127, 155337), (273, 72263), (381, 51779), (569, 34671), (889, 22191), (1651, 11949), (1707, 11557), (2667, 7397), (3983, 4953)]