19938345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27127}}^1$

素因数の和:27149

約数の個数: 24

約数和(自身を含む): 37111104

約数和(自身を除く): 17172759

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27127, 81381, 135635, 189889, 406905, 569667, 949445, 1329223, 2848335, 3987669, 6646115, 19938345]

約数ペア:

[(1, 19938345), (3, 6646115), (5, 3987669), (7, 2848335), (15, 1329223), (21, 949445), (35, 569667), (49, 406905), (105, 189889), (147, 135635), (245, 81381), (735, 27127)]