19860752

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6301}}^1$

素因数の和:6506

約数の個数: 20

約数和(自身を含む): 38681676

約数和(自身を除く): 18820924

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6301, 12602, 25204, 50408, 100816, 1241297, 2482594, 4965188, 9930376, 19860752]

約数ペア:

[(1, 19860752), (2, 9930376), (4, 4965188), (8, 2482594), (16, 1241297), (197, 100816), (394, 50408), (788, 25204), (1576, 12602), (3152, 6301)]