18115400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 42938100

約数和(自身を除く): 24822700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1709, 2120, 2650, 3418, 5300, 6836, 8545, 10600, 13672, 17090, 34180, 42725, 68360, 85450, 90577, 170900, 181154, 341800, 362308, 452885, 724616, 905770, 1811540, 2264425, 3623080, 4528850, 9057700, 18115400]

約数ペア:

[(1, 18115400), (2, 9057700), (4, 4528850), (5, 3623080), (8, 2264425), (10, 1811540), (20, 905770), (25, 724616), (40, 452885), (50, 362308), (53, 341800), (100, 181154), (106, 170900), (200, 90577), (212, 85450), (265, 68360), (424, 42725), (530, 34180), (1060, 17090), (1325, 13672), (1709, 10600), (2120, 8545), (2650, 6836), (3418, 5300)]