19852280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70901}}^1$

素因数の和:70919

約数の個数: 32

約数和(自身を含む): 51049440

約数和(自身を除く): 31197160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70901, 141802, 283604, 354505, 496307, 567208, 709010, 992614, 1418020, 1985228, 2481535, 2836040, 3970456, 4963070, 9926140, 19852280]

約数ペア:

[(1, 19852280), (2, 9926140), (4, 4963070), (5, 3970456), (7, 2836040), (8, 2481535), (10, 1985228), (14, 1418020), (20, 992614), (28, 709010), (35, 567208), (40, 496307), (56, 354505), (70, 283604), (140, 141802), (280, 70901)]