19794474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 49440768

約数和(自身を除く): 29646294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1237, 1778, 2286, 2474, 2667, 3711, 5334, 7422, 8001, 8659, 11133, 16002, 17318, 22266, 25977, 51954, 77931, 155862, 157099, 314198, 471297, 942594, 1099693, 1413891, 2199386, 2827782, 3299079, 6598158, 9897237, 19794474]

約数ペア:

[(1, 19794474), (2, 9897237), (3, 6598158), (6, 3299079), (7, 2827782), (9, 2199386), (14, 1413891), (18, 1099693), (21, 942594), (42, 471297), (63, 314198), (126, 157099), (127, 155862), (254, 77931), (381, 51954), (762, 25977), (889, 22266), (1143, 17318), (1237, 16002), (1778, 11133), (2286, 8659), (2474, 8001), (2667, 7422), (3711, 5334)]