19408970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20767030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1549, 1790, 2506, 3098, 6265, 7745, 10843, 12530, 15490, 21686, 54215, 108430, 277271, 554542, 1386355, 1940897, 2772710, 3881794, 9704485, 19408970]

約数ペア:

[(1, 19408970), (2, 9704485), (5, 3881794), (7, 2772710), (10, 1940897), (14, 1386355), (35, 554542), (70, 277271), (179, 108430), (358, 54215), (895, 21686), (1253, 15490), (1549, 12530), (1790, 10843), (2506, 7745), (3098, 6265)]