18798280

素因数分解:

$2^3\times 5^1\times {\mathrm{469957}}^1$

素因数の和:469968

約数の個数: 16

約数和(自身を含む): 42296220

約数和(自身を除く): 23497940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 469957, 939914, 1879828, 2349785, 3759656, 4699570, 9399140, 18798280]

約数ペア:

[(1, 18798280), (2, 9399140), (4, 4699570), (5, 3759656), (8, 2349785), (10, 1879828), (20, 939914), (40, 469957)]