18871180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 23676500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 937, 1007, 1060, 1874, 2014, 3748, 4028, 4685, 5035, 9370, 10070, 17803, 18740, 20140, 35606, 49661, 71212, 89015, 99322, 178030, 198644, 248305, 356060, 496610, 943559, 993220, 1887118, 3774236, 4717795, 9435590, 18871180]

約数ペア:

[(1, 18871180), (2, 9435590), (4, 4717795), (5, 3774236), (10, 1887118), (19, 993220), (20, 943559), (38, 496610), (53, 356060), (76, 248305), (95, 198644), (106, 178030), (190, 99322), (212, 89015), (265, 71212), (380, 49661), (530, 35606), (937, 20140), (1007, 18740), (1060, 17803), (1874, 10070), (2014, 9370), (3748, 5035), (4028, 4685)]