19043486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 17728354

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 3989, 4774, 7978, 27923, 43879, 55846, 87758, 123659, 247318, 307153, 614306, 865613, 1360249, 1731226, 2720498, 9521743, 19043486]

約数ペア:

[(1, 19043486), (2, 9521743), (7, 2720498), (11, 1731226), (14, 1360249), (22, 865613), (31, 614306), (62, 307153), (77, 247318), (154, 123659), (217, 87758), (341, 55846), (434, 43879), (682, 27923), (2387, 7978), (3989, 4774)]