19879088

素因数分解:

$2^4\times {\mathrm{727}}^1\times {\mathrm{1709}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 38591280

約数和(自身を除く): 18712192

約数列:

[1, 2, 4, 8, 16, 727, 1454, 1709, 2908, 3418, 5816, 6836, 11632, 13672, 27344, 1242443, 2484886, 4969772, 9939544, 19879088]

約数ペア:

[(1, 19879088), (2, 9939544), (4, 4969772), (8, 2484886), (16, 1242443), (727, 27344), (1454, 13672), (1709, 11632), (2908, 6836), (3418, 5816)]