18711490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{267307}}^1$

素因数の和:267321

約数の個数: 16

約数和(自身を含む): 38492352

約数和(自身を除く): 19780862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 267307, 534614, 1336535, 1871149, 2673070, 3742298, 9355745, 18711490]

約数ペア:

[(1, 18711490), (2, 9355745), (5, 3742298), (7, 2673070), (10, 1871149), (14, 1336535), (35, 534614), (70, 267307)]