19225921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4337}}^1$

素因数の和:4392

約数の個数: 16

約数和(自身を含む): 23321088

約数和(自身を除く): 4095167

約数列:

[1, 11, 13, 31, 143, 341, 403, 4337, 4433, 47707, 56381, 134447, 620191, 1478917, 1747811, 19225921]

約数ペア:

[(1, 19225921), (11, 1747811), (13, 1478917), (31, 620191), (143, 134447), (341, 56381), (403, 47707), (4337, 4433)]