18753255

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 33981120

約数和(自身を除く): 15227865

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2621, 7155, 7863, 13105, 23589, 39315, 70767, 117945, 138913, 353835, 416739, 694565, 1250217, 2083695, 3750651, 6251085, 18753255]

約数ペア:

[(1, 18753255), (3, 6251085), (5, 3750651), (9, 2083695), (15, 1250217), (27, 694565), (45, 416739), (53, 353835), (135, 138913), (159, 117945), (265, 70767), (477, 39315), (795, 23589), (1431, 13105), (2385, 7863), (2621, 7155)]