18864765

素因数分解:

$3^3\times 5^1\times {\mathrm{139739}}^1$

素因数の和:139753

約数の個数: 16

約数和(自身を含む): 33537600

約数和(自身を除く): 14672835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139739, 419217, 698695, 1257651, 2096085, 3772953, 6288255, 18864765]

約数ペア:

[(1, 18864765), (3, 6288255), (5, 3772953), (9, 2096085), (15, 1257651), (27, 698695), (45, 419217), (135, 139739)]