18897410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 39267072

約数和(自身を除く): 20369662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2621, 3605, 5242, 7210, 13105, 18347, 26210, 36694, 91735, 183470, 269963, 539926, 1349815, 1889741, 2699630, 3779482, 9448705, 18897410]

約数ペア:

[(1, 18897410), (2, 9448705), (5, 3779482), (7, 2699630), (10, 1889741), (14, 1349815), (35, 539926), (70, 269963), (103, 183470), (206, 91735), (515, 36694), (721, 26210), (1030, 18347), (1442, 13105), (2621, 7210), (3605, 5242)]