18999470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1009}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 39268800

約数和(自身を除く): 20269330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1009, 1345, 1883, 2018, 2690, 3766, 5045, 7063, 9415, 10090, 14126, 18830, 35315, 70630, 271421, 542842, 1357105, 1899947, 2714210, 3799894, 9499735, 18999470]

約数ペア:

[(1, 18999470), (2, 9499735), (5, 3799894), (7, 2714210), (10, 1899947), (14, 1357105), (35, 542842), (70, 271421), (269, 70630), (538, 35315), (1009, 18830), (1345, 14126), (1883, 10090), (2018, 9415), (2690, 7063), (3766, 5045)]