18940005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{60127}}^1$

素因数の和:60145

約数の個数: 24

約数和(自身を含む): 37519872

約数和(自身を除く): 18579867

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 60127, 180381, 300635, 420889, 541143, 901905, 1262667, 2104445, 2705715, 3788001, 6313335, 18940005]

約数ペア:

[(1, 18940005), (3, 6313335), (5, 3788001), (7, 2705715), (9, 2104445), (15, 1262667), (21, 901905), (35, 541143), (45, 420889), (63, 300635), (105, 180381), (315, 60127)]