18989514

素因数分解:

$2^1\times 3^2\times {\mathrm{613}}^1\times {\mathrm{1721}}^1$

素因数の和:2342

約数の個数: 24

約数和(自身を含む): 41235012

約数和(自身を除く): 22245498

約数列:

[1, 2, 3, 6, 9, 18, 613, 1226, 1721, 1839, 3442, 3678, 5163, 5517, 10326, 11034, 15489, 30978, 1054973, 2109946, 3164919, 6329838, 9494757, 18989514]

約数ペア:

[(1, 18989514), (2, 9494757), (3, 6329838), (6, 3164919), (9, 2109946), (18, 1054973), (613, 30978), (1226, 15489), (1721, 11034), (1839, 10326), (3442, 5517), (3678, 5163)]