18570866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1231}}^1$

素因数の和:1649

約数の個数: 16

約数和(自身を含む): 29420160

約数和(自身を除く): 10849294

約数列:

[1, 2, 19, 38, 397, 794, 1231, 2462, 7543, 15086, 23389, 46778, 488707, 977414, 9285433, 18570866]

約数ペア:

[(1, 18570866), (2, 9285433), (19, 977414), (38, 488707), (397, 46778), (794, 23389), (1231, 15086), (2462, 7543)]