19641693

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 27262976

約数和(自身を除く): 7621283

約数列:

[1, 3, 31, 93, 127, 381, 1663, 3937, 4989, 11811, 51553, 154659, 211201, 633603, 6547231, 19641693]

約数ペア:

[(1, 19641693), (3, 6547231), (31, 633603), (93, 211201), (127, 154659), (381, 51553), (1663, 11811), (3937, 4989)]