19407388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 47190528

約数和(自身を除く): 27783140

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 52, 74, 77, 91, 131, 143, 148, 154, 182, 259, 262, 286, 308, 364, 407, 481, 518, 524, 572, 814, 917, 962, 1001, 1036, 1441, 1628, 1703, 1834, 1924, 2002, 2849, 2882, 3367, 3406, 3668, 4004, 4847, 5291, 5698, 5764, 6734, 6812, 9694, 10087, 10582, 11396, 11921, 13468, 18733, 19388, 20174, 21164, 23842, 33929, 37037, 37466, 40348, 47684, 53317, 63011, 67858, 74074, 74932, 106634, 126022, 131131, 135716, 148148, 213268, 252044, 262262, 373219, 441077, 524524, 693121, 746438, 882154, 1386242, 1492876, 1764308, 2772484, 4851847, 9703694, 19407388]

約数ペア:

[(1, 19407388), (2, 9703694), (4, 4851847), (7, 2772484), (11, 1764308), (13, 1492876), (14, 1386242), (22, 882154), (26, 746438), (28, 693121), (37, 524524), (44, 441077), (52, 373219), (74, 262262), (77, 252044), (91, 213268), (131, 148148), (143, 135716), (148, 131131), (154, 126022), (182, 106634), (259, 74932), (262, 74074), (286, 67858), (308, 63011), (364, 53317), (407, 47684), (481, 40348), (518, 37466), (524, 37037), (572, 33929), (814, 23842), (917, 21164), (962, 20174), (1001, 19388), (1036, 18733), (1441, 13468), (1628, 11921), (1703, 11396), (1834, 10582), (1924, 10087), (2002, 9694), (2849, 6812), (2882, 6734), (3367, 5764), (3406, 5698), (3668, 5291), (4004, 4847)]