19428206

素因数分解:

$2^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 14978194

約数列:

[1, 2, 7, 14, 49, 98, 127, 223, 254, 343, 446, 686, 889, 1561, 1778, 3122, 6223, 10927, 12446, 21854, 28321, 43561, 56642, 76489, 87122, 152978, 198247, 396494, 1387729, 2775458, 9714103, 19428206]

約数ペア:

[(1, 19428206), (2, 9714103), (7, 2775458), (14, 1387729), (49, 396494), (98, 198247), (127, 152978), (223, 87122), (254, 76489), (343, 56642), (446, 43561), (686, 28321), (889, 21854), (1561, 12446), (1778, 10927), (3122, 6223)]