18881937

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1091}}^1$

素因数の和:1741

約数の個数: 16

約数和(自身を含む): 28042560

約数和(自身を除く): 9160623

約数列:

[1, 3, 9, 27, 641, 1091, 1923, 3273, 5769, 9819, 17307, 29457, 699331, 2097993, 6293979, 18881937]

約数ペア:

[(1, 18881937), (3, 6293979), (9, 2097993), (27, 699331), (641, 29457), (1091, 17307), (1923, 9819), (3273, 5769)]