18141872

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1$

素因数の和:3825

約数の個数: 40

約数和(自身を含む): 41116416

約数和(自身を除く): 22974544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3767, 4816, 7534, 15068, 26369, 30136, 52738, 60272, 105476, 161981, 210952, 323962, 421904, 647924, 1133867, 1295848, 2267734, 2591696, 4535468, 9070936, 18141872]

約数ペア:

[(1, 18141872), (2, 9070936), (4, 4535468), (7, 2591696), (8, 2267734), (14, 1295848), (16, 1133867), (28, 647924), (43, 421904), (56, 323962), (86, 210952), (112, 161981), (172, 105476), (301, 60272), (344, 52738), (602, 30136), (688, 26369), (1204, 15068), (2408, 7534), (3767, 4816)]