19991422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53453}}^1$

素因数の和:53483

約数の個数: 16

約数和(自身を含む): 34638192

約数和(自身を除く): 14646770

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53453, 106906, 587983, 908701, 1175966, 1817402, 9995711, 19991422]

約数ペア:

[(1, 19991422), (2, 9995711), (11, 1817402), (17, 1175966), (22, 908701), (34, 587983), (187, 106906), (374, 53453)]