18737866

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28477}}^1$

素因数の和:28533

約数の個数: 16

約数和(自身を含む): 32806656

約数和(自身を除く): 14068790

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28477, 56954, 199339, 398678, 1338419, 2676838, 9368933, 18737866]

約数ペア:

[(1, 18737866), (2, 9368933), (7, 2676838), (14, 1338419), (47, 398678), (94, 199339), (329, 56954), (658, 28477)]