18679938

素因数分解:

$2^1\times 3^1\times {\mathrm{1559}}^1\times {\mathrm{1997}}^1$

素因数の和:3561

約数の個数: 16

約数和(自身を含む): 37402560

約数和(自身を除く): 18722622

約数列:

[1, 2, 3, 6, 1559, 1997, 3118, 3994, 4677, 5991, 9354, 11982, 3113323, 6226646, 9339969, 18679938]

約数ペア:

[(1, 18679938), (2, 9339969), (3, 6226646), (6, 3113323), (1559, 11982), (1997, 9354), (3118, 5991), (3994, 4677)]