19776724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1464

約数の個数: 36

約数和(自身を含む): 39381300

約数和(自身を除く): 19604576

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1409, 2818, 3509, 5636, 7018, 14036, 15499, 30998, 40861, 61996, 81722, 163444, 170489, 340978, 449471, 681956, 898942, 1797884, 4944181, 9888362, 19776724]

約数ペア:

[(1, 19776724), (2, 9888362), (4, 4944181), (11, 1797884), (22, 898942), (29, 681956), (44, 449471), (58, 340978), (116, 170489), (121, 163444), (242, 81722), (319, 61996), (484, 40861), (638, 30998), (1276, 15499), (1409, 14036), (2818, 7018), (3509, 5636)]