19859140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141851}}^1$

素因数の和:141867

約数の個数: 24

約数和(自身を含む): 47662272

約数和(自身を除く): 27803132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141851, 283702, 567404, 709255, 992957, 1418510, 1985914, 2837020, 3971828, 4964785, 9929570, 19859140]

約数ペア:

[(1, 19859140), (2, 9929570), (4, 4964785), (5, 3971828), (7, 2837020), (10, 1985914), (14, 1418510), (20, 992957), (28, 709255), (35, 567404), (70, 283702), (140, 141851)]