18740238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 23087730

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 121, 166, 242, 249, 311, 363, 498, 622, 726, 913, 933, 1826, 1866, 2739, 3421, 5478, 6842, 10043, 10263, 20086, 20526, 25813, 30129, 37631, 51626, 60258, 75262, 77439, 112893, 154878, 225786, 283943, 567886, 851829, 1703658, 3123373, 6246746, 9370119, 18740238]

約数ペア:

[(1, 18740238), (2, 9370119), (3, 6246746), (6, 3123373), (11, 1703658), (22, 851829), (33, 567886), (66, 283943), (83, 225786), (121, 154878), (166, 112893), (242, 77439), (249, 75262), (311, 60258), (363, 51626), (498, 37631), (622, 30129), (726, 25813), (913, 20526), (933, 20086), (1826, 10263), (1866, 10043), (2739, 6842), (3421, 5478)]