19367181

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1514

約数の個数: 20

約数和(自身を含む): 29113084

約数和(自身を除く): 9745903

約数列:

[1, 3, 9, 27, 81, 181, 543, 1321, 1629, 3963, 4887, 11889, 14661, 35667, 107001, 239101, 717303, 2151909, 6455727, 19367181]

約数ペア:

[(1, 19367181), (3, 6455727), (9, 2151909), (27, 717303), (81, 239101), (181, 107001), (543, 35667), (1321, 14661), (1629, 11889), (3963, 4887)]