18272144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 24153712

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 197, 248, 272, 341, 374, 394, 496, 527, 682, 748, 788, 1054, 1364, 1496, 1576, 2108, 2167, 2728, 2992, 3152, 3349, 4216, 4334, 5456, 5797, 6107, 6698, 8432, 8668, 11594, 12214, 13396, 17336, 23188, 24428, 26792, 34672, 36839, 46376, 48856, 53584, 67177, 73678, 92752, 97712, 103819, 134354, 147356, 207638, 268708, 294712, 415276, 537416, 589424, 830552, 1074832, 1142009, 1661104, 2284018, 4568036, 9136072, 18272144]

約数ペア:

[(1, 18272144), (2, 9136072), (4, 4568036), (8, 2284018), (11, 1661104), (16, 1142009), (17, 1074832), (22, 830552), (31, 589424), (34, 537416), (44, 415276), (62, 294712), (68, 268708), (88, 207638), (124, 147356), (136, 134354), (176, 103819), (187, 97712), (197, 92752), (248, 73678), (272, 67177), (341, 53584), (374, 48856), (394, 46376), (496, 36839), (527, 34672), (682, 26792), (748, 24428), (788, 23188), (1054, 17336), (1364, 13396), (1496, 12214), (1576, 11594), (2108, 8668), (2167, 8432), (2728, 6698), (2992, 6107), (3152, 5797), (3349, 5456), (4216, 4334)]