19934704

素因数分解:

$2^4\times {\mathrm{563}}^1\times {\mathrm{2213}}^1$

素因数の和:2784

約数の個数: 20

約数和(自身を含む): 38709576

約数和(自身を除く): 18774872

約数列:

[1, 2, 4, 8, 16, 563, 1126, 2213, 2252, 4426, 4504, 8852, 9008, 17704, 35408, 1245919, 2491838, 4983676, 9967352, 19934704]

約数ペア:

[(1, 19934704), (2, 9967352), (4, 4983676), (8, 2491838), (16, 1245919), (563, 35408), (1126, 17704), (2213, 9008), (2252, 8852), (4426, 4504)]