18853400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 44294040

約数和(自身を除く): 25440640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 881, 1070, 1762, 2140, 2675, 3524, 4280, 4405, 5350, 7048, 8810, 10700, 17620, 21400, 22025, 35240, 44050, 88100, 94267, 176200, 188534, 377068, 471335, 754136, 942670, 1885340, 2356675, 3770680, 4713350, 9426700, 18853400]

約数ペア:

[(1, 18853400), (2, 9426700), (4, 4713350), (5, 3770680), (8, 2356675), (10, 1885340), (20, 942670), (25, 754136), (40, 471335), (50, 377068), (100, 188534), (107, 176200), (200, 94267), (214, 88100), (428, 44050), (535, 35240), (856, 22025), (881, 21400), (1070, 17620), (1762, 10700), (2140, 8810), (2675, 7048), (3524, 5350), (4280, 4405)]