18241929

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{1993}}^1$

素因数の和:2118

約数の個数: 20

約数和(自身を含む): 27505236

約数和(自身を除く): 9263307

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 1993, 3051, 5979, 9153, 17937, 53811, 161433, 225209, 675627, 2026881, 6080643, 18241929]

約数ペア:

[(1, 18241929), (3, 6080643), (9, 2026881), (27, 675627), (81, 225209), (113, 161433), (339, 53811), (1017, 17937), (1993, 9153), (3051, 5979)]