18559420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2958

約数の個数: 48

約数和(自身を含む): 43999200

約数和(自身を除く): 25439780

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, 2909, 3190, 5818, 6380, 11636, 14545, 29090, 31999, 58180, 63998, 84361, 127996, 159995, 168722, 319990, 337444, 421805, 639980, 843610, 927971, 1687220, 1855942, 3711884, 4639855, 9279710, 18559420]

約数ペア:

[(1, 18559420), (2, 9279710), (4, 4639855), (5, 3711884), (10, 1855942), (11, 1687220), (20, 927971), (22, 843610), (29, 639980), (44, 421805), (55, 337444), (58, 319990), (110, 168722), (116, 159995), (145, 127996), (220, 84361), (290, 63998), (319, 58180), (580, 31999), (638, 29090), (1276, 14545), (1595, 11636), (2909, 6380), (3190, 5818)]