19836621

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1502

約数の個数: 36

約数和(自身を含む): 34429824

約数和(自身を除く): 14593203

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1451, 1519, 1953, 4353, 4557, 10157, 13059, 13671, 30471, 44981, 71099, 91413, 134943, 213297, 314867, 404829, 639891, 944601, 2204069, 2833803, 6612207, 19836621]

約数ペア:

[(1, 19836621), (3, 6612207), (7, 2833803), (9, 2204069), (21, 944601), (31, 639891), (49, 404829), (63, 314867), (93, 213297), (147, 134943), (217, 91413), (279, 71099), (441, 44981), (651, 30471), (1451, 13671), (1519, 13059), (1953, 10157), (4353, 4557)]