18771522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 29225406

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 66, 77, 82, 123, 154, 231, 246, 287, 451, 462, 574, 861, 902, 991, 1353, 1722, 1982, 2706, 2973, 3157, 5946, 6314, 6937, 9471, 10901, 13874, 18942, 20811, 21802, 32703, 40631, 41622, 65406, 76307, 81262, 121893, 152614, 228921, 243786, 284417, 446941, 457842, 568834, 853251, 893882, 1340823, 1706502, 2681646, 3128587, 6257174, 9385761, 18771522]

約数ペア:

[(1, 18771522), (2, 9385761), (3, 6257174), (6, 3128587), (7, 2681646), (11, 1706502), (14, 1340823), (21, 893882), (22, 853251), (33, 568834), (41, 457842), (42, 446941), (66, 284417), (77, 243786), (82, 228921), (123, 152614), (154, 121893), (231, 81262), (246, 76307), (287, 65406), (451, 41622), (462, 40631), (574, 32703), (861, 21802), (902, 20811), (991, 18942), (1353, 13874), (1722, 10901), (1982, 9471), (2706, 6937), (2973, 6314), (3157, 5946)]