19525518

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 43754256

約数和(自身を除く): 24228738

約数列:

[1, 2, 3, 6, 9, 18, 53, 97, 106, 159, 194, 211, 291, 318, 422, 477, 582, 633, 873, 954, 1266, 1746, 1899, 3798, 5141, 10282, 11183, 15423, 20467, 22366, 30846, 33549, 40934, 46269, 61401, 67098, 92538, 100647, 122802, 184203, 201294, 368406, 1084751, 2169502, 3254253, 6508506, 9762759, 19525518]

約数ペア:

[(1, 19525518), (2, 9762759), (3, 6508506), (6, 3254253), (9, 2169502), (18, 1084751), (53, 368406), (97, 201294), (106, 184203), (159, 122802), (194, 100647), (211, 92538), (291, 67098), (318, 61401), (422, 46269), (477, 40934), (582, 33549), (633, 30846), (873, 22366), (954, 20467), (1266, 15423), (1746, 11183), (1899, 10282), (3798, 5141)]