18138556

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{50951}}^1$

素因数の和:51044

約数の個数: 12

約数和(自身を含む): 32099760

約数和(自身を除く): 13961204

約数列:

[1, 2, 4, 89, 178, 356, 50951, 101902, 203804, 4534639, 9069278, 18138556]

約数ペア:

[(1, 18138556), (2, 9069278), (4, 4534639), (89, 203804), (178, 101902), (356, 50951)]