19498135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4014

約数の個数: 16

約数和(自身を含む): 24989184

約数和(自身を除く): 5491049

約数列:

[1, 5, 23, 43, 115, 215, 989, 3943, 4945, 19715, 90689, 169549, 453445, 847745, 3899627, 19498135]

約数ペア:

[(1, 19498135), (5, 3899627), (23, 847745), (43, 453445), (115, 169549), (215, 90689), (989, 19715), (3943, 4945)]