18521140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 25387340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2903, 3190, 5806, 6380, 11612, 14515, 29030, 31933, 58060, 63866, 84187, 127732, 159665, 168374, 319330, 336748, 420935, 638660, 841870, 926057, 1683740, 1852114, 3704228, 4630285, 9260570, 18521140]

約数ペア:

[(1, 18521140), (2, 9260570), (4, 4630285), (5, 3704228), (10, 1852114), (11, 1683740), (20, 926057), (22, 841870), (29, 638660), (44, 420935), (55, 336748), (58, 319330), (110, 168374), (116, 159665), (145, 127732), (220, 84187), (290, 63866), (319, 58060), (580, 31933), (638, 29030), (1276, 14515), (1595, 11612), (2903, 6380), (3190, 5806)]