19018280

素因数分解:

$2^3\times 5^1\times {\mathrm{475457}}^1$

素因数の和:475468

約数の個数: 16

約数和(自身を含む): 42791220

約数和(自身を除く): 23772940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475457, 950914, 1901828, 2377285, 3803656, 4754570, 9509140, 19018280]

約数ペア:

[(1, 19018280), (2, 9509140), (4, 4754570), (5, 3803656), (8, 2377285), (10, 1901828), (20, 950914), (40, 475457)]