19884228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 57953280

約数和(自身を除く): 38069052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 131, 139, 156, 182, 262, 273, 278, 364, 393, 417, 524, 546, 556, 786, 834, 917, 973, 1092, 1572, 1668, 1703, 1807, 1834, 1946, 2751, 2919, 3406, 3614, 3668, 3892, 5109, 5421, 5502, 5838, 6812, 7228, 10218, 10842, 11004, 11676, 11921, 12649, 18209, 20436, 21684, 23842, 25298, 35763, 36418, 37947, 47684, 50596, 54627, 71526, 72836, 75894, 109254, 127463, 143052, 151788, 218508, 236717, 254926, 382389, 473434, 509852, 710151, 764778, 946868, 1420302, 1529556, 1657019, 2840604, 3314038, 4971057, 6628076, 9942114, 19884228]

約数ペア:

[(1, 19884228), (2, 9942114), (3, 6628076), (4, 4971057), (6, 3314038), (7, 2840604), (12, 1657019), (13, 1529556), (14, 1420302), (21, 946868), (26, 764778), (28, 710151), (39, 509852), (42, 473434), (52, 382389), (78, 254926), (84, 236717), (91, 218508), (131, 151788), (139, 143052), (156, 127463), (182, 109254), (262, 75894), (273, 72836), (278, 71526), (364, 54627), (393, 50596), (417, 47684), (524, 37947), (546, 36418), (556, 35763), (786, 25298), (834, 23842), (917, 21684), (973, 20436), (1092, 18209), (1572, 12649), (1668, 11921), (1703, 11676), (1807, 11004), (1834, 10842), (1946, 10218), (2751, 7228), (2919, 6812), (3406, 5838), (3614, 5502), (3668, 5421), (3892, 5109)]