18621378

素因数分解:

$2^1\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1423}}^1$

素因数の和:2158

約数の個数: 24

約数和(自身を含む): 40430208

約数和(自身を除く): 21808830

約数列:

[1, 2, 3, 6, 9, 18, 727, 1423, 1454, 2181, 2846, 4269, 4362, 6543, 8538, 12807, 13086, 25614, 1034521, 2069042, 3103563, 6207126, 9310689, 18621378]

約数ペア:

[(1, 18621378), (2, 9310689), (3, 6207126), (6, 3103563), (9, 2069042), (18, 1034521), (727, 25614), (1423, 13086), (1454, 12807), (2181, 8538), (2846, 6543), (4269, 4362)]