19199240

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1069}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 43335000

約数和(自身を除く): 24135760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1069, 1796, 2138, 2245, 3592, 4276, 4490, 5345, 8552, 8980, 10690, 17960, 21380, 42760, 479981, 959962, 1919924, 2399905, 3839848, 4799810, 9599620, 19199240]

約数ペア:

[(1, 19199240), (2, 9599620), (4, 4799810), (5, 3839848), (8, 2399905), (10, 1919924), (20, 959962), (40, 479981), (449, 42760), (898, 21380), (1069, 17960), (1796, 10690), (2138, 8980), (2245, 8552), (3592, 5345), (4276, 4490)]