19673168

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2351}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 38205888

約数和(自身を除く): 18532720

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2351, 4184, 4702, 8368, 9404, 18808, 37616, 1229573, 2459146, 4918292, 9836584, 19673168]

約数ペア:

[(1, 19673168), (2, 9836584), (4, 4918292), (8, 2459146), (16, 1229573), (523, 37616), (1046, 18808), (2092, 9404), (2351, 8368), (4184, 4702)]