19704366

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 47927880

約数和(自身を除く): 28223514

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 83, 99, 109, 121, 166, 198, 218, 242, 249, 327, 363, 498, 654, 726, 747, 913, 981, 1089, 1199, 1494, 1826, 1962, 2178, 2398, 2739, 3597, 5478, 7194, 8217, 9047, 10043, 10791, 13189, 16434, 18094, 20086, 21582, 26378, 27141, 30129, 39567, 54282, 60258, 79134, 81423, 90387, 99517, 118701, 162846, 180774, 199034, 237402, 298551, 597102, 895653, 1094687, 1791306, 2189374, 3284061, 6568122, 9852183, 19704366]

約数ペア:

[(1, 19704366), (2, 9852183), (3, 6568122), (6, 3284061), (9, 2189374), (11, 1791306), (18, 1094687), (22, 895653), (33, 597102), (66, 298551), (83, 237402), (99, 199034), (109, 180774), (121, 162846), (166, 118701), (198, 99517), (218, 90387), (242, 81423), (249, 79134), (327, 60258), (363, 54282), (498, 39567), (654, 30129), (726, 27141), (747, 26378), (913, 21582), (981, 20086), (1089, 18094), (1199, 16434), (1494, 13189), (1826, 10791), (1962, 10043), (2178, 9047), (2398, 8217), (2739, 7194), (3597, 5478)]