18678632

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1187}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 40201920

約数和(自身を除く): 21523288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1187, 1967, 2248, 2374, 3934, 4748, 7868, 8309, 9496, 15736, 16618, 33236, 66472, 333547, 667094, 1334188, 2334829, 2668376, 4669658, 9339316, 18678632]

約数ペア:

[(1, 18678632), (2, 9339316), (4, 4669658), (7, 2668376), (8, 2334829), (14, 1334188), (28, 667094), (56, 333547), (281, 66472), (562, 33236), (1124, 16618), (1187, 15736), (1967, 9496), (2248, 8309), (2374, 7868), (3934, 4748)]