19905212

素因数分解:

$2^2\times {\mathrm{23}}^3\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 24

約数和(自身を含む): 36506400

約数和(自身を除く): 16601188

約数列:

[1, 2, 4, 23, 46, 92, 409, 529, 818, 1058, 1636, 2116, 9407, 12167, 18814, 24334, 37628, 48668, 216361, 432722, 865444, 4976303, 9952606, 19905212]

約数ペア:

[(1, 19905212), (2, 9952606), (4, 4976303), (23, 865444), (46, 432722), (92, 216361), (409, 48668), (529, 37628), (818, 24334), (1058, 18814), (1636, 12167), (2116, 9407)]