19679870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40163}}^1$

素因数の和:40184

約数の個数: 24

約数和(自身を含む): 41208264

約数和(自身を除く): 21528394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40163, 80326, 200815, 281141, 401630, 562282, 1405705, 1967987, 2811410, 3935974, 9839935, 19679870]

約数ペア:

[(1, 19679870), (2, 9839935), (5, 3935974), (7, 2811410), (10, 1967987), (14, 1405705), (35, 562282), (49, 401630), (70, 281141), (98, 200815), (245, 80326), (490, 40163)]