18616887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 28641600

約数和(自身を除く): 10024713

約数列:

[1, 3, 9, 17, 51, 153, 271, 449, 813, 1347, 2439, 4041, 4607, 7633, 13821, 22899, 41463, 68697, 121679, 365037, 1095111, 2068543, 6205629, 18616887]

約数ペア:

[(1, 18616887), (3, 6205629), (9, 2068543), (17, 1095111), (51, 365037), (153, 121679), (271, 68697), (449, 41463), (813, 22899), (1347, 13821), (2439, 7633), (4041, 4607)]