2019947870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{18121}}^1$

素因数の和:18356

約数の個数: 32

約数和(自身を含む): 3710805696

約数和(自身を除く): 1690857826

約数列:

[1, 2, 5, 10, 71, 142, 157, 314, 355, 710, 785, 1570, 11147, 18121, 22294, 36242, 55735, 90605, 111470, 181210, 1286591, 2573182, 2844997, 5689994, 6432955, 12865910, 14224985, 28449970, 201994787, 403989574, 1009973935, 2019947870]

約数ペア:

[(1, 2019947870), (2, 1009973935), (5, 403989574), (10, 201994787), (71, 28449970), (142, 14224985), (157, 12865910), (314, 6432955), (355, 5689994), (710, 2844997), (785, 2573182), (1570, 1286591), (11147, 181210), (18121, 111470), (22294, 90605), (36242, 55735)]