18044240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4799}}^1$

素因数の和:4859

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 24810160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4799, 9598, 19196, 23995, 38392, 47990, 76784, 95980, 191960, 225553, 383920, 451106, 902212, 1127765, 1804424, 2255530, 3608848, 4511060, 9022120, 18044240]

約数ペア:

[(1, 18044240), (2, 9022120), (4, 4511060), (5, 3608848), (8, 2255530), (10, 1804424), (16, 1127765), (20, 902212), (40, 451106), (47, 383920), (80, 225553), (94, 191960), (188, 95980), (235, 76784), (376, 47990), (470, 38392), (752, 23995), (940, 19196), (1880, 9598), (3760, 4799)]