18486400

素因数分解:

$2^7\times 5^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 46955700

約数和(自身を除く): 28469300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 109, 128, 160, 200, 212, 218, 265, 320, 400, 424, 436, 530, 545, 640, 800, 848, 872, 1060, 1090, 1325, 1600, 1696, 1744, 2120, 2180, 2650, 2725, 3200, 3392, 3488, 4240, 4360, 5300, 5450, 5777, 6784, 6976, 8480, 8720, 10600, 10900, 11554, 13952, 16960, 17440, 21200, 21800, 23108, 28885, 33920, 34880, 42400, 43600, 46216, 57770, 69760, 84800, 87200, 92432, 115540, 144425, 169600, 174400, 184864, 231080, 288850, 348800, 369728, 462160, 577700, 739456, 924320, 1155400, 1848640, 2310800, 3697280, 4621600, 9243200, 18486400]

約数ペア:

[(1, 18486400), (2, 9243200), (4, 4621600), (5, 3697280), (8, 2310800), (10, 1848640), (16, 1155400), (20, 924320), (25, 739456), (32, 577700), (40, 462160), (50, 369728), (53, 348800), (64, 288850), (80, 231080), (100, 184864), (106, 174400), (109, 169600), (128, 144425), (160, 115540), (200, 92432), (212, 87200), (218, 84800), (265, 69760), (320, 57770), (400, 46216), (424, 43600), (436, 42400), (530, 34880), (545, 33920), (640, 28885), (800, 23108), (848, 21800), (872, 21200), (1060, 17440), (1090, 16960), (1325, 13952), (1600, 11554), (1696, 10900), (1744, 10600), (2120, 8720), (2180, 8480), (2650, 6976), (2725, 6784), (3200, 5777), (3392, 5450), (3488, 5300), (4240, 4360)]