18344080

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 24724592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2143, 4280, 4286, 8560, 8572, 10715, 17144, 21430, 34288, 42860, 85720, 171440, 229301, 458602, 917204, 1146505, 1834408, 2293010, 3668816, 4586020, 9172040, 18344080]

約数ペア:

[(1, 18344080), (2, 9172040), (4, 4586020), (5, 3668816), (8, 2293010), (10, 1834408), (16, 1146505), (20, 917204), (40, 458602), (80, 229301), (107, 171440), (214, 85720), (428, 42860), (535, 34288), (856, 21430), (1070, 17144), (1712, 10715), (2140, 8572), (2143, 8560), (4280, 4286)]