19535556

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 48875904

約数和(自身を除く): 29340348

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 1913, 2553, 3404, 3826, 5106, 5739, 7652, 10212, 11478, 22956, 43999, 70781, 87998, 131997, 141562, 175996, 212343, 263994, 283124, 424686, 527988, 849372, 1627963, 3255926, 4883889, 6511852, 9767778, 19535556]

約数ペア:

[(1, 19535556), (2, 9767778), (3, 6511852), (4, 4883889), (6, 3255926), (12, 1627963), (23, 849372), (37, 527988), (46, 424686), (69, 283124), (74, 263994), (92, 212343), (111, 175996), (138, 141562), (148, 131997), (222, 87998), (276, 70781), (444, 43999), (851, 22956), (1702, 11478), (1913, 10212), (2553, 7652), (3404, 5739), (3826, 5106)]