18138255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 31549440

約数和(自身を除く): 13411185

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2053, 2945, 6159, 8835, 10265, 30795, 39007, 63643, 117021, 190929, 195035, 318215, 585105, 954645, 1209217, 3627651, 6046085, 18138255]

約数ペア:

[(1, 18138255), (3, 6046085), (5, 3627651), (15, 1209217), (19, 954645), (31, 585105), (57, 318215), (93, 195035), (95, 190929), (155, 117021), (285, 63643), (465, 39007), (589, 30795), (1767, 10265), (2053, 8835), (2945, 6159)]