18857792

素因数分解:

$2^6\times {\mathrm{23}}^2\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 42

約数和(自身を含む): 39188898

約数和(自身を除く): 20331106

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 529, 557, 736, 1058, 1114, 1472, 2116, 2228, 4232, 4456, 8464, 8912, 12811, 16928, 17824, 25622, 33856, 35648, 51244, 102488, 204976, 294653, 409952, 589306, 819904, 1178612, 2357224, 4714448, 9428896, 18857792]

約数ペア:

[(1, 18857792), (2, 9428896), (4, 4714448), (8, 2357224), (16, 1178612), (23, 819904), (32, 589306), (46, 409952), (64, 294653), (92, 204976), (184, 102488), (368, 51244), (529, 35648), (557, 33856), (736, 25622), (1058, 17824), (1114, 16928), (1472, 12811), (2116, 8912), (2228, 8464), (4232, 4456)]