19922488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 40078800

約数和(自身を除く): 20156312

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2473, 4028, 4946, 8056, 9892, 19784, 46987, 93974, 131069, 187948, 262138, 375896, 524276, 1048552, 2490311, 4980622, 9961244, 19922488]

約数ペア:

[(1, 19922488), (2, 9961244), (4, 4980622), (8, 2490311), (19, 1048552), (38, 524276), (53, 375896), (76, 262138), (106, 187948), (152, 131069), (212, 93974), (424, 46987), (1007, 19784), (2014, 9892), (2473, 8056), (4028, 4946)]