18640904

素因数分解:

$2^3\times {\mathrm{1181}}^1\times {\mathrm{1973}}^1$

素因数の和:3160

約数の個数: 16

約数和(自身を含む): 34999020

約数和(自身を除く): 16358116

約数列:

[1, 2, 4, 8, 1181, 1973, 2362, 3946, 4724, 7892, 9448, 15784, 2330113, 4660226, 9320452, 18640904]

約数ペア:

[(1, 18640904), (2, 9320452), (4, 4660226), (8, 2330113), (1181, 15784), (1973, 9448), (2362, 7892), (3946, 4724)]