18061040

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 42171408

約数和(自身を除く): 24110368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 563, 802, 1126, 1604, 2005, 2252, 2815, 3208, 4010, 4504, 5630, 6416, 8020, 9008, 11260, 16040, 22520, 32080, 45040, 225763, 451526, 903052, 1128815, 1806104, 2257630, 3612208, 4515260, 9030520, 18061040]

約数ペア:

[(1, 18061040), (2, 9030520), (4, 4515260), (5, 3612208), (8, 2257630), (10, 1806104), (16, 1128815), (20, 903052), (40, 451526), (80, 225763), (401, 45040), (563, 32080), (802, 22520), (1126, 16040), (1604, 11260), (2005, 9008), (2252, 8020), (2815, 6416), (3208, 5630), (4010, 4504)]