19857422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13817842

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 347, 403, 694, 806, 923, 1846, 2201, 4402, 4511, 9022, 10757, 21514, 24637, 28613, 49274, 57226, 139841, 279682, 320281, 640562, 763747, 1527494, 9928711, 19857422]

約数ペア:

[(1, 19857422), (2, 9928711), (13, 1527494), (26, 763747), (31, 640562), (62, 320281), (71, 279682), (142, 139841), (347, 57226), (403, 49274), (694, 28613), (806, 24637), (923, 21514), (1846, 10757), (2201, 9022), (4402, 4511)]