19016480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16979}}^1$

素因数の和:17001

約数の個数: 48

約数和(自身を含む): 51347520

約数和(自身を除く): 32331040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16979, 33958, 67916, 84895, 118853, 135832, 169790, 237706, 271664, 339580, 475412, 543328, 594265, 679160, 950824, 1188530, 1358320, 1901648, 2377060, 2716640, 3803296, 4754120, 9508240, 19016480]

約数ペア:

[(1, 19016480), (2, 9508240), (4, 4754120), (5, 3803296), (7, 2716640), (8, 2377060), (10, 1901648), (14, 1358320), (16, 1188530), (20, 950824), (28, 679160), (32, 594265), (35, 543328), (40, 475412), (56, 339580), (70, 271664), (80, 237706), (112, 169790), (140, 135832), (160, 118853), (224, 84895), (280, 67916), (560, 33958), (1120, 16979)]