19621953

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55903}}^1$

素因数の和:55925

約数の個数: 16

約数和(自身を含む): 31306240

約数和(自身を除く): 11684287

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55903, 167709, 503127, 726739, 1509381, 2180217, 6540651, 19621953]

約数ペア:

[(1, 19621953), (3, 6540651), (9, 2180217), (13, 1509381), (27, 726739), (39, 503127), (117, 167709), (351, 55903)]