19706841

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9479}}^1$

素因数の和:9506

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 16696359

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9479, 28437, 66353, 85311, 104269, 199059, 255933, 312807, 597177, 729883, 938421, 1791531, 2189649, 2815263, 6568947, 19706841]

約数ペア:

[(1, 19706841), (3, 6568947), (7, 2815263), (9, 2189649), (11, 1791531), (21, 938421), (27, 729883), (33, 597177), (63, 312807), (77, 255933), (99, 199059), (189, 104269), (231, 85311), (297, 66353), (693, 28437), (2079, 9479)]