19825485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77747}}^1$

素因数の和:77772

約数の個数: 16

約数和(自身を含む): 33587136

約数和(自身を除く): 13761651

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77747, 233241, 388735, 1166205, 1321699, 3965097, 6608495, 19825485]

約数ペア:

[(1, 19825485), (3, 6608495), (5, 3965097), (15, 1321699), (17, 1166205), (51, 388735), (85, 233241), (255, 77747)]