17969972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 34809600

約数和(自身を除く): 16839628

約数列:

[1, 2, 4, 19, 38, 41, 73, 76, 79, 82, 146, 158, 164, 292, 316, 779, 1387, 1501, 1558, 2774, 2993, 3002, 3116, 3239, 5548, 5767, 5986, 6004, 6478, 11534, 11972, 12956, 23068, 56867, 61541, 109573, 113734, 123082, 219146, 227468, 236447, 246164, 438292, 472894, 945788, 4492493, 8984986, 17969972]

約数ペア:

[(1, 17969972), (2, 8984986), (4, 4492493), (19, 945788), (38, 472894), (41, 438292), (73, 246164), (76, 236447), (79, 227468), (82, 219146), (146, 123082), (158, 113734), (164, 109573), (292, 61541), (316, 56867), (779, 23068), (1387, 12956), (1501, 11972), (1558, 11534), (2774, 6478), (2993, 6004), (3002, 5986), (3116, 5767), (3239, 5548)]