18209907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 28929600

約数和(自身を除く): 10719693

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 409, 459, 873, 1227, 1649, 2619, 3681, 4947, 6953, 11043, 14841, 20859, 39673, 44523, 62577, 119019, 187731, 357057, 674441, 1071171, 2023323, 6069969, 18209907]

約数ペア:

[(1, 18209907), (3, 6069969), (9, 2023323), (17, 1071171), (27, 674441), (51, 357057), (97, 187731), (153, 119019), (291, 62577), (409, 44523), (459, 39673), (873, 20859), (1227, 14841), (1649, 11043), (2619, 6953), (3681, 4947)]