19980857556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{50456711}}^1$

素因数の和:50456732

約数の個数: 36

約数和(自身を含む): 55098729504

約数和(自身を除く): 35117871948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 50456711, 100913422, 151370133, 201826844, 302740266, 454110399, 555023821, 605480532, 908220798, 1110047642, 1665071463, 1816441596, 2220095284, 3330142926, 4995214389, 6660285852, 9990428778, 19980857556]

約数ペア:

[(1, 19980857556), (2, 9990428778), (3, 6660285852), (4, 4995214389), (6, 3330142926), (9, 2220095284), (11, 1816441596), (12, 1665071463), (18, 1110047642), (22, 908220798), (33, 605480532), (36, 555023821), (44, 454110399), (66, 302740266), (99, 201826844), (132, 151370133), (198, 100913422), (396, 50456711)]