18350667

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 29922048

約数和(自身を除く): 11571381

約数列:

[1, 3, 9, 17, 31, 51, 53, 73, 93, 153, 159, 219, 279, 477, 527, 657, 901, 1241, 1581, 1643, 2263, 2703, 3723, 3869, 4743, 4929, 6789, 8109, 11169, 11607, 14787, 20367, 27931, 34821, 38471, 65773, 83793, 115413, 119939, 197319, 251379, 346239, 359817, 591957, 1079451, 2038963, 6116889, 18350667]

約数ペア:

[(1, 18350667), (3, 6116889), (9, 2038963), (17, 1079451), (31, 591957), (51, 359817), (53, 346239), (73, 251379), (93, 197319), (153, 119939), (159, 115413), (219, 83793), (279, 65773), (477, 38471), (527, 34821), (657, 27931), (901, 20367), (1241, 14787), (1581, 11607), (1643, 11169), (2263, 8109), (2703, 6789), (3723, 4929), (3869, 4743)]