19878352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95569}}^1$

素因数の和:95590

約数の個数: 20

約数和(自身を含む): 41477380

約数和(自身を除く): 21599028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95569, 191138, 382276, 764552, 1242397, 1529104, 2484794, 4969588, 9939176, 19878352]

約数ペア:

[(1, 19878352), (2, 9939176), (4, 4969588), (8, 2484794), (13, 1529104), (16, 1242397), (26, 764552), (52, 382276), (104, 191138), (208, 95569)]