19887516

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{50221}}^1$

素因数の和:50242

約数の個数: 36

約数和(自身を含む): 54842424

約数和(自身を除く): 34954908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 50221, 100442, 150663, 200884, 301326, 451989, 552431, 602652, 903978, 1104862, 1657293, 1807956, 2209724, 3314586, 4971879, 6629172, 9943758, 19887516]

約数ペア:

[(1, 19887516), (2, 9943758), (3, 6629172), (4, 4971879), (6, 3314586), (9, 2209724), (11, 1807956), (12, 1657293), (18, 1104862), (22, 903978), (33, 602652), (36, 552431), (44, 451989), (66, 301326), (99, 200884), (132, 150663), (198, 100442), (396, 50221)]