19173720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6984

約数の個数: 64

約数和(自身を含む): 60030720

約数和(自身を除く): 40857000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6947, 13894, 20841, 27788, 34735, 41682, 55576, 69470, 83364, 104205, 138940, 159781, 166728, 208410, 277880, 319562, 416820, 479343, 639124, 798905, 833640, 958686, 1278248, 1597810, 1917372, 2396715, 3195620, 3834744, 4793430, 6391240, 9586860, 19173720]

約数ペア:

[(1, 19173720), (2, 9586860), (3, 6391240), (4, 4793430), (5, 3834744), (6, 3195620), (8, 2396715), (10, 1917372), (12, 1597810), (15, 1278248), (20, 958686), (23, 833640), (24, 798905), (30, 639124), (40, 479343), (46, 416820), (60, 319562), (69, 277880), (92, 208410), (115, 166728), (120, 159781), (138, 138940), (184, 104205), (230, 83364), (276, 69470), (345, 55576), (460, 41682), (552, 34735), (690, 27788), (920, 20841), (1380, 13894), (2760, 6947)]