19271672

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 24066568

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 71, 74, 131, 142, 148, 259, 262, 284, 296, 497, 518, 524, 568, 917, 994, 1036, 1048, 1834, 1988, 2072, 2627, 3668, 3976, 4847, 5254, 7336, 9301, 9694, 10508, 18389, 18602, 19388, 21016, 33929, 36778, 37204, 38776, 65107, 67858, 73556, 74408, 130214, 135716, 147112, 260428, 271432, 344137, 520856, 688274, 1376548, 2408959, 2753096, 4817918, 9635836, 19271672]

約数ペア:

[(1, 19271672), (2, 9635836), (4, 4817918), (7, 2753096), (8, 2408959), (14, 1376548), (28, 688274), (37, 520856), (56, 344137), (71, 271432), (74, 260428), (131, 147112), (142, 135716), (148, 130214), (259, 74408), (262, 73556), (284, 67858), (296, 65107), (497, 38776), (518, 37204), (524, 36778), (568, 33929), (917, 21016), (994, 19388), (1036, 18602), (1048, 18389), (1834, 10508), (1988, 9694), (2072, 9301), (2627, 7336), (3668, 5254), (3976, 4847)]