19190864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 47723136

約数和(自身を除く): 28532272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 421, 518, 592, 616, 814, 842, 1036, 1232, 1628, 1684, 2072, 2849, 2947, 3256, 3368, 4144, 4631, 5698, 5894, 6512, 6736, 9262, 11396, 11788, 15577, 18524, 22792, 23576, 31154, 32417, 37048, 45584, 47152, 62308, 64834, 74096, 109039, 124616, 129668, 171347, 218078, 249232, 259336, 342694, 436156, 518672, 685388, 872312, 1199429, 1370776, 1744624, 2398858, 2741552, 4797716, 9595432, 19190864]

約数ペア:

[(1, 19190864), (2, 9595432), (4, 4797716), (7, 2741552), (8, 2398858), (11, 1744624), (14, 1370776), (16, 1199429), (22, 872312), (28, 685388), (37, 518672), (44, 436156), (56, 342694), (74, 259336), (77, 249232), (88, 218078), (112, 171347), (148, 129668), (154, 124616), (176, 109039), (259, 74096), (296, 64834), (308, 62308), (407, 47152), (421, 45584), (518, 37048), (592, 32417), (616, 31154), (814, 23576), (842, 22792), (1036, 18524), (1232, 15577), (1628, 11788), (1684, 11396), (2072, 9262), (2849, 6736), (2947, 6512), (3256, 5894), (3368, 5698), (4144, 4631)]