18645894

素因数分解:

$2^1\times 3^2\times {\mathrm{997}}^1\times {\mathrm{1039}}^1$

素因数の和:2044

約数の個数: 24

約数和(自身を含む): 40478880

約数和(自身を除く): 21832986

約数列:

[1, 2, 3, 6, 9, 18, 997, 1039, 1994, 2078, 2991, 3117, 5982, 6234, 8973, 9351, 17946, 18702, 1035883, 2071766, 3107649, 6215298, 9322947, 18645894]

約数ペア:

[(1, 18645894), (2, 9322947), (3, 6215298), (6, 3107649), (9, 2071766), (18, 1035883), (997, 18702), (1039, 17946), (1994, 9351), (2078, 8973), (2991, 6234), (3117, 5982)]