18920930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270299}}^1$

素因数の和:270313

約数の個数: 16

約数和(自身を含む): 38923200

約数和(自身を除く): 20002270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270299, 540598, 1351495, 1892093, 2702990, 3784186, 9460465, 18920930]

約数ペア:

[(1, 18920930), (2, 9460465), (5, 3784186), (7, 2702990), (10, 1892093), (14, 1351495), (35, 540598), (70, 270299)]