19779501

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1741}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 30213248

約数和(自身を除く): 10433747

約数列:

[1, 3, 7, 21, 541, 1623, 1741, 3787, 5223, 11361, 12187, 36561, 941881, 2825643, 6593167, 19779501]

約数ペア:

[(1, 19779501), (3, 6593167), (7, 2825643), (21, 941881), (541, 36561), (1623, 12187), (1741, 11361), (3787, 5223)]