19400109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3559}}^1$

素因数の和:3664

約数の個数: 16

約数和(自身を含む): 27340800

約数和(自身を除く): 7940691

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3559, 5451, 10677, 81857, 245571, 281161, 843483, 6466703, 19400109]

約数ペア:

[(1, 19400109), (3, 6466703), (23, 843483), (69, 281161), (79, 245571), (237, 81857), (1817, 10677), (3559, 5451)]