18109315

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1229}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 24914880

約数和(自身を除く): 6805565

約数列:

[1, 5, 7, 35, 421, 1229, 2105, 2947, 6145, 8603, 14735, 43015, 517409, 2587045, 3621863, 18109315]

約数ペア:

[(1, 18109315), (5, 3621863), (7, 2587045), (35, 517409), (421, 43015), (1229, 14735), (2105, 8603), (2947, 6145)]