19964753403

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2377}}^1\times {\mathrm{3361}}^1$

素因数の和:5772

約数の個数: 48

約数和(自身を含む): 32810806944

約数和(自身を除く): 12846053541

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2377, 2499, 3361, 7131, 10083, 16639, 23527, 40409, 49917, 57137, 70581, 116473, 121227, 164689, 171411, 282863, 349419, 399959, 494067, 848589, 1199877, 1980041, 2799713, 5940123, 7989097, 8399139, 23967291, 55923679, 135814649, 167771037, 391465753, 407443947, 950702543, 1174397259, 2852107629, 6654917801, 19964753403]

約数ペア:

[(1, 19964753403), (3, 6654917801), (7, 2852107629), (17, 1174397259), (21, 950702543), (49, 407443947), (51, 391465753), (119, 167771037), (147, 135814649), (357, 55923679), (833, 23967291), (2377, 8399139), (2499, 7989097), (3361, 5940123), (7131, 2799713), (10083, 1980041), (16639, 1199877), (23527, 848589), (40409, 494067), (49917, 399959), (57137, 349419), (70581, 282863), (116473, 171411), (121227, 164689)]