19080248

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 22000792

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 121, 184, 242, 253, 484, 506, 857, 968, 1012, 1714, 2024, 2783, 3428, 5566, 6856, 9427, 11132, 18854, 19711, 22264, 37708, 39422, 75416, 78844, 103697, 157688, 207394, 216821, 414788, 433642, 829576, 867284, 1734568, 2385031, 4770062, 9540124, 19080248]

約数ペア:

[(1, 19080248), (2, 9540124), (4, 4770062), (8, 2385031), (11, 1734568), (22, 867284), (23, 829576), (44, 433642), (46, 414788), (88, 216821), (92, 207394), (121, 157688), (184, 103697), (242, 78844), (253, 75416), (484, 39422), (506, 37708), (857, 22264), (968, 19711), (1012, 18854), (1714, 11132), (2024, 9427), (2783, 6856), (3428, 5566)]