18114740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 26301772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2753, 3290, 5506, 6580, 11012, 13765, 19271, 27530, 38542, 55060, 77084, 96355, 129391, 192710, 258782, 385420, 517564, 646955, 905737, 1293910, 1811474, 2587820, 3622948, 4528685, 9057370, 18114740]

約数ペア:

[(1, 18114740), (2, 9057370), (4, 4528685), (5, 3622948), (7, 2587820), (10, 1811474), (14, 1293910), (20, 905737), (28, 646955), (35, 517564), (47, 385420), (70, 258782), (94, 192710), (140, 129391), (188, 96355), (235, 77084), (329, 55060), (470, 38542), (658, 27530), (940, 19271), (1316, 13765), (1645, 11012), (2753, 6580), (3290, 5506)]