19689956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 22222684

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1187, 1276, 1508, 2374, 4147, 4748, 8294, 13057, 15431, 16588, 26114, 30862, 34423, 52228, 61724, 68846, 137692, 169741, 339482, 378653, 447499, 678964, 757306, 894998, 1514612, 1789996, 4922489, 9844978, 19689956]

約数ペア:

[(1, 19689956), (2, 9844978), (4, 4922489), (11, 1789996), (13, 1514612), (22, 894998), (26, 757306), (29, 678964), (44, 447499), (52, 378653), (58, 339482), (116, 169741), (143, 137692), (286, 68846), (319, 61724), (377, 52228), (572, 34423), (638, 30862), (754, 26114), (1187, 16588), (1276, 15431), (1508, 13057), (2374, 8294), (4147, 4748)]