18507328

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:507

約数の個数: 56

約数和(自身を含む): 42468800

約数和(自身を除く): 23961472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 379, 436, 448, 758, 763, 872, 1516, 1526, 1744, 2653, 3032, 3052, 3488, 5306, 6064, 6104, 6976, 10612, 12128, 12208, 21224, 24256, 24416, 41311, 42448, 48832, 82622, 84896, 165244, 169792, 289177, 330488, 578354, 660976, 1156708, 1321952, 2313416, 2643904, 4626832, 9253664, 18507328]

約数ペア:

[(1, 18507328), (2, 9253664), (4, 4626832), (7, 2643904), (8, 2313416), (14, 1321952), (16, 1156708), (28, 660976), (32, 578354), (56, 330488), (64, 289177), (109, 169792), (112, 165244), (218, 84896), (224, 82622), (379, 48832), (436, 42448), (448, 41311), (758, 24416), (763, 24256), (872, 21224), (1516, 12208), (1526, 12128), (1744, 10612), (2653, 6976), (3032, 6104), (3052, 6064), (3488, 5306)]