18905901

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{15259}}^1$

素因数の和:15328

約数の個数: 16

約数和(自身を含む): 29299200

約数和(自身を除く): 10393299

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 15259, 45777, 106813, 320439, 900281, 2700843, 6301967, 18905901]

約数ペア:

[(1, 18905901), (3, 6301967), (7, 2700843), (21, 900281), (59, 320439), (177, 106813), (413, 45777), (1239, 15259)]