18540936

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{5479}}^1$

素因数の和:5538

約数の個数: 48

約数和(自身を含む): 51292800

約数和(自身を除く): 32751864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 5479, 10958, 16437, 21916, 32874, 43832, 49311, 65748, 98622, 131496, 197244, 257513, 394488, 515026, 772539, 1030052, 1545078, 2060104, 2317617, 3090156, 4635234, 6180312, 9270468, 18540936]

約数ペア:

[(1, 18540936), (2, 9270468), (3, 6180312), (4, 4635234), (6, 3090156), (8, 2317617), (9, 2060104), (12, 1545078), (18, 1030052), (24, 772539), (36, 515026), (47, 394488), (72, 257513), (94, 197244), (141, 131496), (188, 98622), (282, 65748), (376, 49311), (423, 43832), (564, 32874), (846, 21916), (1128, 16437), (1692, 10958), (3384, 5479)]