19452860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3389}}^1$

素因数の和:3446

約数の個数: 48

約数和(自身を含む): 47839680

約数和(自身を除く): 28386820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3389, 5740, 6778, 13556, 16945, 23723, 33890, 47446, 67780, 94892, 118615, 138949, 237230, 277898, 474460, 555796, 694745, 972643, 1389490, 1945286, 2778980, 3890572, 4863215, 9726430, 19452860]

約数ペア:

[(1, 19452860), (2, 9726430), (4, 4863215), (5, 3890572), (7, 2778980), (10, 1945286), (14, 1389490), (20, 972643), (28, 694745), (35, 555796), (41, 474460), (70, 277898), (82, 237230), (140, 138949), (164, 118615), (205, 94892), (287, 67780), (410, 47446), (574, 33890), (820, 23723), (1148, 16945), (1435, 13556), (2870, 6778), (3389, 5740)]