19949648

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{2357}}^1$

素因数の和:2411

約数の個数: 30

約数和(自身を含む): 40423194

約数和(自身を除く): 20473546

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 529, 1058, 2116, 2357, 4232, 4714, 8464, 9428, 18856, 37712, 54211, 108422, 216844, 433688, 867376, 1246853, 2493706, 4987412, 9974824, 19949648]

約数ペア:

[(1, 19949648), (2, 9974824), (4, 4987412), (8, 2493706), (16, 1246853), (23, 867376), (46, 433688), (92, 216844), (184, 108422), (368, 54211), (529, 37712), (1058, 18856), (2116, 9428), (2357, 8464), (4232, 4714)]