19987736

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4723}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 39185580

約数和(自身を除く): 19197844

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4723, 9446, 18892, 37784, 108629, 217258, 434516, 869032, 2498467, 4996934, 9993868, 19987736]

約数ペア:

[(1, 19987736), (2, 9993868), (4, 4996934), (8, 2498467), (23, 869032), (46, 434516), (92, 217258), (184, 108629), (529, 37784), (1058, 18892), (2116, 9446), (4232, 4723)]