19964478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 42624000

約数和(自身を除く): 22659522

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2399, 2774, 4161, 4798, 7197, 8322, 14394, 45581, 91162, 136743, 175127, 273486, 350254, 525381, 1050762, 3327413, 6654826, 9982239, 19964478]

約数ペア:

[(1, 19964478), (2, 9982239), (3, 6654826), (6, 3327413), (19, 1050762), (38, 525381), (57, 350254), (73, 273486), (114, 175127), (146, 136743), (219, 91162), (438, 45581), (1387, 14394), (2399, 8322), (2774, 7197), (4161, 4798)]