22180904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 44400000

約数和(自身を除く): 22219096

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1999, 2774, 3998, 5548, 7996, 11096, 15992, 37981, 75962, 145927, 151924, 291854, 303848, 583708, 1167416, 2772613, 5545226, 11090452, 22180904]

約数ペア:

[(1, 22180904), (2, 11090452), (4, 5545226), (8, 2772613), (19, 1167416), (38, 583708), (73, 303848), (76, 291854), (146, 151924), (152, 145927), (292, 75962), (584, 37981), (1387, 15992), (1999, 11096), (2774, 7996), (3998, 5548)]