1388536434

素因数分解:

$2^1\times 3^2\times {\mathrm{3853}}^1\times {\mathrm{20021}}^1$

素因数の和:23882

約数の個数: 24

約数和(自身を含む): 3009426732

約数和(自身を除く): 1620890298

約数列:

[1, 2, 3, 6, 9, 18, 3853, 7706, 11559, 20021, 23118, 34677, 40042, 60063, 69354, 120126, 180189, 360378, 77140913, 154281826, 231422739, 462845478, 694268217, 1388536434]

約数ペア:

[(1, 1388536434), (2, 694268217), (3, 462845478), (6, 231422739), (9, 154281826), (18, 77140913), (3853, 360378), (7706, 180189), (11559, 120126), (20021, 69354), (23118, 60063), (34677, 40042)]