18781496

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 36566640

約数和(自身を除く): 17785144

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 214, 296, 428, 593, 856, 1186, 2372, 3959, 4744, 7918, 15836, 21941, 31672, 43882, 63451, 87764, 126902, 175528, 253804, 507608, 2347687, 4695374, 9390748, 18781496]

約数ペア:

[(1, 18781496), (2, 9390748), (4, 4695374), (8, 2347687), (37, 507608), (74, 253804), (107, 175528), (148, 126902), (214, 87764), (296, 63451), (428, 43882), (593, 31672), (856, 21941), (1186, 15836), (2372, 7918), (3959, 4744)]