18704049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 30987264

約数和(自身を除く): 12283215

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 523, 917, 1569, 1703, 2751, 3661, 5109, 6799, 10983, 11921, 20397, 35763, 47593, 68513, 142779, 205539, 479591, 890669, 1438773, 2672007, 6234683, 18704049]

約数ペア:

[(1, 18704049), (3, 6234683), (7, 2672007), (13, 1438773), (21, 890669), (39, 479591), (91, 205539), (131, 142779), (273, 68513), (393, 47593), (523, 35763), (917, 20397), (1569, 11921), (1703, 10983), (2751, 6799), (3661, 5109)]