19218303

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18251}}^1$

素因数の和:18276

約数の個数: 20

約数和(自身を含む): 30918888

約数和(自身を除く): 11700585

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18251, 54753, 164259, 237263, 492777, 711789, 1478331, 2135367, 6406101, 19218303]

約数ペア:

[(1, 19218303), (3, 6406101), (9, 2135367), (13, 1478331), (27, 711789), (39, 492777), (81, 237263), (117, 164259), (351, 54753), (1053, 18251)]