18620886

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{43711}}^1$

素因数の和:43787

約数の個数: 16

約数和(自身を含む): 37767168

約数和(自身を除く): 19146282

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 43711, 87422, 131133, 262266, 3103481, 6206962, 9310443, 18620886]

約数ペア:

[(1, 18620886), (2, 9310443), (3, 6206962), (6, 3103481), (71, 262266), (142, 131133), (213, 87422), (426, 43711)]