18640935

素因数分解:

$3^4\times 5^1\times {\mathrm{46027}}^1$

素因数の和:46044

約数の個数: 20

約数和(自身を含む): 33416328

約数和(自身を除く): 14775393

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46027, 138081, 230135, 414243, 690405, 1242729, 2071215, 3728187, 6213645, 18640935]

約数ペア:

[(1, 18640935), (3, 6213645), (5, 3728187), (9, 2071215), (15, 1242729), (27, 690405), (45, 414243), (81, 230135), (135, 138081), (405, 46027)]