19598943

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 35223552

約数和(自身を除く): 15624609

約数列:

[1, 3, 7, 13, 17, 21, 39, 41, 51, 91, 103, 119, 123, 221, 273, 287, 309, 357, 533, 663, 697, 721, 861, 1339, 1547, 1599, 1751, 2091, 2163, 3731, 4017, 4223, 4641, 4879, 5253, 9061, 9373, 11193, 12257, 12669, 14637, 22763, 27183, 28119, 29561, 36771, 54899, 63427, 68289, 71791, 88683, 159341, 164697, 190281, 215373, 384293, 478023, 502537, 933283, 1152879, 1507611, 2799849, 6532981, 19598943]

約数ペア:

[(1, 19598943), (3, 6532981), (7, 2799849), (13, 1507611), (17, 1152879), (21, 933283), (39, 502537), (41, 478023), (51, 384293), (91, 215373), (103, 190281), (119, 164697), (123, 159341), (221, 88683), (273, 71791), (287, 68289), (309, 63427), (357, 54899), (533, 36771), (663, 29561), (697, 28119), (721, 27183), (861, 22763), (1339, 14637), (1547, 12669), (1599, 12257), (1751, 11193), (2091, 9373), (2163, 9061), (3731, 5253), (4017, 4879), (4223, 4641)]