19751890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18121}}^1$

素因数の和:18237

約数の個数: 16

約数和(自身を含む): 35881560

約数和(自身を除く): 16129670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18121, 36242, 90605, 181210, 1975189, 3950378, 9875945, 19751890]

約数ペア:

[(1, 19751890), (2, 9875945), (5, 3950378), (10, 1975189), (109, 181210), (218, 90605), (545, 36242), (1090, 18121)]