19328757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 11959563

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 251, 399, 579, 753, 1351, 1757, 3667, 4053, 4769, 5271, 11001, 14307, 25669, 33383, 48443, 77007, 100149, 145329, 339101, 920417, 1017303, 2761251, 6442919, 19328757]

約数ペア:

[(1, 19328757), (3, 6442919), (7, 2761251), (19, 1017303), (21, 920417), (57, 339101), (133, 145329), (193, 100149), (251, 77007), (399, 48443), (579, 33383), (753, 25669), (1351, 14307), (1757, 11001), (3667, 5271), (4053, 4769)]