18072200

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 42454500

約数和(自身を除く): 24382300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 829, 872, 1090, 1658, 2180, 2725, 3316, 4145, 4360, 5450, 6632, 8290, 10900, 16580, 20725, 21800, 33160, 41450, 82900, 90361, 165800, 180722, 361444, 451805, 722888, 903610, 1807220, 2259025, 3614440, 4518050, 9036100, 18072200]

約数ペア:

[(1, 18072200), (2, 9036100), (4, 4518050), (5, 3614440), (8, 2259025), (10, 1807220), (20, 903610), (25, 722888), (40, 451805), (50, 361444), (100, 180722), (109, 165800), (200, 90361), (218, 82900), (436, 41450), (545, 33160), (829, 21800), (872, 20725), (1090, 16580), (1658, 10900), (2180, 8290), (2725, 6632), (3316, 5450), (4145, 4360)]