18834453

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 34235136

約数和(自身を除く): 15400683

約数列:

[1, 3, 9, 11, 17, 19, 31, 33, 51, 57, 93, 99, 153, 171, 187, 209, 279, 323, 341, 361, 527, 561, 589, 627, 969, 1023, 1083, 1581, 1683, 1767, 1881, 2907, 3069, 3249, 3553, 3971, 4743, 5301, 5797, 6137, 6479, 10013, 10659, 11191, 11913, 17391, 18411, 19437, 30039, 31977, 33573, 35739, 52173, 55233, 58311, 67507, 90117, 100719, 110143, 123101, 190247, 202521, 330429, 369303, 570741, 607563, 991287, 1107909, 1712223, 2092717, 6278151, 18834453]

約数ペア:

[(1, 18834453), (3, 6278151), (9, 2092717), (11, 1712223), (17, 1107909), (19, 991287), (31, 607563), (33, 570741), (51, 369303), (57, 330429), (93, 202521), (99, 190247), (153, 123101), (171, 110143), (187, 100719), (209, 90117), (279, 67507), (323, 58311), (341, 55233), (361, 52173), (527, 35739), (561, 33573), (589, 31977), (627, 30039), (969, 19437), (1023, 18411), (1083, 17391), (1581, 11913), (1683, 11191), (1767, 10659), (1881, 10013), (2907, 6479), (3069, 6137), (3249, 5797), (3553, 5301), (3971, 4743)]