19065123

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 36018528

約数和(自身を除く): 16953405

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 61, 63, 77, 99, 121, 123, 183, 231, 287, 363, 369, 427, 451, 549, 671, 693, 847, 861, 1089, 1281, 1353, 2013, 2501, 2541, 2583, 3157, 3843, 4059, 4697, 4961, 6039, 7381, 7503, 7623, 9471, 14091, 14883, 17507, 22143, 22509, 27511, 28413, 34727, 42273, 44649, 51667, 52521, 66429, 82533, 104181, 155001, 157563, 192577, 247599, 302621, 312543, 465003, 577731, 907863, 1733193, 2118347, 2723589, 6355041, 19065123]

約数ペア:

[(1, 19065123), (3, 6355041), (7, 2723589), (9, 2118347), (11, 1733193), (21, 907863), (33, 577731), (41, 465003), (61, 312543), (63, 302621), (77, 247599), (99, 192577), (121, 157563), (123, 155001), (183, 104181), (231, 82533), (287, 66429), (363, 52521), (369, 51667), (427, 44649), (451, 42273), (549, 34727), (671, 28413), (693, 27511), (847, 22509), (861, 22143), (1089, 17507), (1281, 14883), (1353, 14091), (2013, 9471), (2501, 7623), (2541, 7503), (2583, 7381), (3157, 6039), (3843, 4961), (4059, 4697)]