18490827

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3671}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 26085888

約数和(自身を除く): 7595061

約数列:

[1, 3, 23, 69, 73, 219, 1679, 3671, 5037, 11013, 84433, 253299, 267983, 803949, 6163609, 18490827]

約数ペア:

[(1, 18490827), (3, 6163609), (23, 803949), (69, 267983), (73, 253299), (219, 84433), (1679, 11013), (3671, 5037)]