18708741

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 28622880

約数和(自身を除く): 9914139

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1667, 3741, 5001, 11223, 15003, 48343, 71681, 145029, 215043, 435087, 645129, 2078749, 6236247, 18708741]

約数ペア:

[(1, 18708741), (3, 6236247), (9, 2078749), (29, 645129), (43, 435087), (87, 215043), (129, 145029), (261, 71681), (387, 48343), (1247, 15003), (1667, 11223), (3741, 5001)]