19827591

素因数分解:

$3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1571}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 30283008

約数和(自身を除く): 10455417

約数列:

[1, 3, 7, 21, 601, 1571, 1803, 4207, 4713, 10997, 12621, 32991, 944171, 2832513, 6609197, 19827591]

約数ペア:

[(1, 19827591), (3, 6609197), (7, 2832513), (21, 944171), (601, 32991), (1571, 12621), (1803, 10997), (4207, 4713)]