19604410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40009}}^1$

素因数の和:40030

約数の個数: 24

約数和(自身を含む): 41050260

約数和(自身を除く): 21445850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40009, 80018, 200045, 280063, 400090, 560126, 1400315, 1960441, 2800630, 3920882, 9802205, 19604410]

約数ペア:

[(1, 19604410), (2, 9802205), (5, 3920882), (7, 2800630), (10, 1960441), (14, 1400315), (35, 560126), (49, 400090), (70, 280063), (98, 200045), (245, 80018), (490, 40009)]