19182015

素因数分解:

$3^4\times 5^1\times {\mathrm{47363}}^1$

素因数の和:47380

約数の個数: 20

約数和(自身を含む): 34386264

約数和(自身を除く): 15204249

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47363, 142089, 236815, 426267, 710445, 1278801, 2131335, 3836403, 6394005, 19182015]

約数ペア:

[(1, 19182015), (3, 6394005), (5, 3836403), (9, 2131335), (15, 1278801), (27, 710445), (45, 426267), (81, 236815), (135, 142089), (405, 47363)]