19920021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8269}}^1$

素因数の和:8356

約数の個数: 16

約数和(自身を含む): 29375040

約数和(自身を除く): 9455019

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8269, 24807, 90959, 272877, 603637, 1810911, 6640007, 19920021]

約数ペア:

[(1, 19920021), (3, 6640007), (11, 1810911), (33, 603637), (73, 272877), (219, 90959), (803, 24807), (2409, 8269)]