19320891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 9801669

約数列:

[1, 3, 17, 19, 51, 57, 127, 157, 323, 381, 471, 969, 2159, 2413, 2669, 2983, 6477, 7239, 8007, 8949, 19939, 41021, 50711, 59817, 123063, 152133, 338963, 378841, 1016889, 1136523, 6440297, 19320891]

約数ペア:

[(1, 19320891), (3, 6440297), (17, 1136523), (19, 1016889), (51, 378841), (57, 338963), (127, 152133), (157, 123063), (323, 59817), (381, 50711), (471, 41021), (969, 19939), (2159, 8949), (2413, 8007), (2669, 7239), (2983, 6477)]