19257490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39301}}^1$

素因数の和:39322

約数の個数: 24

約数和(自身を含む): 40323852

約数和(自身を除く): 21066362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39301, 78602, 196505, 275107, 393010, 550214, 1375535, 1925749, 2751070, 3851498, 9628745, 19257490]

約数ペア:

[(1, 19257490), (2, 9628745), (5, 3851498), (7, 2751070), (10, 1925749), (14, 1375535), (35, 550214), (49, 393010), (70, 275107), (98, 196505), (245, 78602), (490, 39301)]