19007020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55903}}^1$

素因数の和:55929

約数の個数: 24

約数和(自身を含む): 42263424

約数和(自身を除く): 23256404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55903, 111806, 223612, 279515, 559030, 950351, 1118060, 1900702, 3801404, 4751755, 9503510, 19007020]

約数ペア:

[(1, 19007020), (2, 9503510), (4, 4751755), (5, 3801404), (10, 1900702), (17, 1118060), (20, 950351), (34, 559030), (68, 279515), (85, 223612), (170, 111806), (340, 55903)]