18780846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3217}}^1$

素因数の和:3368

約数の個数: 32

約数和(自身を含む): 43249920

約数和(自身を除く): 24469074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3217, 5838, 6434, 9651, 19302, 22519, 45038, 67557, 135114, 447163, 894326, 1341489, 2682978, 3130141, 6260282, 9390423, 18780846]

約数ペア:

[(1, 18780846), (2, 9390423), (3, 6260282), (6, 3130141), (7, 2682978), (14, 1341489), (21, 894326), (42, 447163), (139, 135114), (278, 67557), (417, 45038), (834, 22519), (973, 19302), (1946, 9651), (2919, 6434), (3217, 5838)]