19692508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 21867332

約数列:

[1, 2, 4, 11, 22, 23, 29, 44, 46, 58, 61, 92, 116, 121, 122, 242, 244, 253, 319, 484, 506, 638, 667, 671, 1012, 1276, 1334, 1342, 1403, 1769, 2668, 2684, 2783, 2806, 3509, 3538, 5566, 5612, 7018, 7076, 7337, 7381, 11132, 14036, 14674, 14762, 15433, 19459, 29348, 29524, 30866, 38918, 40687, 61732, 77836, 80707, 81374, 161414, 162748, 169763, 214049, 322828, 339526, 428098, 447557, 679052, 856196, 895114, 1790228, 4923127, 9846254, 19692508]

約数ペア:

[(1, 19692508), (2, 9846254), (4, 4923127), (11, 1790228), (22, 895114), (23, 856196), (29, 679052), (44, 447557), (46, 428098), (58, 339526), (61, 322828), (92, 214049), (116, 169763), (121, 162748), (122, 161414), (242, 81374), (244, 80707), (253, 77836), (319, 61732), (484, 40687), (506, 38918), (638, 30866), (667, 29524), (671, 29348), (1012, 19459), (1276, 15433), (1334, 14762), (1342, 14674), (1403, 14036), (1769, 11132), (2668, 7381), (2684, 7337), (2783, 7076), (2806, 7018), (3509, 5612), (3538, 5566)]