19219863

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 28038528

約数和(自身を除く): 8818665

約数列:

[1, 3, 13, 39, 167, 169, 227, 501, 507, 681, 2171, 2951, 6513, 8853, 28223, 37909, 38363, 84669, 113727, 115089, 492817, 1478451, 6406621, 19219863]

約数ペア:

[(1, 19219863), (3, 6406621), (13, 1478451), (39, 492817), (167, 115089), (169, 113727), (227, 84669), (501, 38363), (507, 37909), (681, 28223), (2171, 8853), (2951, 6513)]