2018213725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9421}}^1$

素因数の和:9502

約数の個数: 48

約数和(自身を含む): 2944186560

約数和(自身を除く): 925972835

約数列:

[1, 5, 11, 19, 25, 41, 55, 95, 205, 209, 275, 451, 475, 779, 1025, 1045, 2255, 3895, 5225, 8569, 9421, 11275, 19475, 42845, 47105, 103631, 178999, 214225, 235525, 386261, 518155, 894995, 1931305, 1968989, 2590775, 4248871, 4474975, 7338959, 9656525, 9844945, 21244355, 36694795, 49224725, 80728549, 106221775, 183473975, 403642745, 2018213725]

約数ペア:

[(1, 2018213725), (5, 403642745), (11, 183473975), (19, 106221775), (25, 80728549), (41, 49224725), (55, 36694795), (95, 21244355), (205, 9844945), (209, 9656525), (275, 7338959), (451, 4474975), (475, 4248871), (779, 2590775), (1025, 1968989), (1045, 1931305), (2255, 894995), (3895, 518155), (5225, 386261), (8569, 235525), (9421, 214225), (11275, 178999), (19475, 103631), (42845, 47105)]