19675982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 32447520

約数和(自身を除く): 12771538

約数列:

[1, 2, 19, 38, 41, 73, 82, 146, 173, 346, 779, 1387, 1558, 2774, 2993, 3287, 5986, 6574, 7093, 12629, 14186, 25258, 56867, 113734, 134767, 239951, 269534, 479902, 517789, 1035578, 9837991, 19675982]

約数ペア:

[(1, 19675982), (2, 9837991), (19, 1035578), (38, 517789), (41, 479902), (73, 269534), (82, 239951), (146, 134767), (173, 113734), (346, 56867), (779, 25258), (1387, 14186), (1558, 12629), (2774, 7093), (2993, 6574), (3287, 5986)]