19935351

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1597}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 30745520

約数和(自身を除く): 10810169

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1597, 4161, 4791, 12483, 14373, 30343, 91029, 116581, 273087, 349743, 1049229, 2215039, 6645117, 19935351]

約数ペア:

[(1, 19935351), (3, 6645117), (9, 2215039), (19, 1049229), (57, 349743), (73, 273087), (171, 116581), (219, 91029), (657, 30343), (1387, 14373), (1597, 12483), (4161, 4791)]