18926257

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 22194432

約数和(自身を除く): 3268175

約数列:

[1, 7, 71, 113, 337, 497, 791, 2359, 8023, 23927, 38081, 56161, 167489, 266567, 2703751, 18926257]

約数ペア:

[(1, 18926257), (7, 2703751), (71, 266567), (113, 167489), (337, 56161), (497, 38081), (791, 23927), (2359, 8023)]