18786306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 49280832

約数和(自身を除く): 30494526

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 49, 66, 74, 77, 98, 111, 147, 154, 157, 222, 231, 259, 294, 314, 407, 462, 471, 518, 539, 777, 814, 942, 1078, 1099, 1221, 1554, 1617, 1727, 1813, 2198, 2442, 2849, 3234, 3297, 3454, 3626, 5181, 5439, 5698, 5809, 6594, 7693, 8547, 10362, 10878, 11618, 12089, 15386, 17094, 17427, 19943, 23079, 24178, 34854, 36267, 39886, 40663, 46158, 59829, 63899, 72534, 81326, 84623, 119658, 121989, 127798, 169246, 191697, 243978, 253869, 284641, 383394, 447293, 507738, 569282, 853923, 894586, 1341879, 1707846, 2683758, 3131051, 6262102, 9393153, 18786306]

約数ペア:

[(1, 18786306), (2, 9393153), (3, 6262102), (6, 3131051), (7, 2683758), (11, 1707846), (14, 1341879), (21, 894586), (22, 853923), (33, 569282), (37, 507738), (42, 447293), (49, 383394), (66, 284641), (74, 253869), (77, 243978), (98, 191697), (111, 169246), (147, 127798), (154, 121989), (157, 119658), (222, 84623), (231, 81326), (259, 72534), (294, 63899), (314, 59829), (407, 46158), (462, 40663), (471, 39886), (518, 36267), (539, 34854), (777, 24178), (814, 23079), (942, 19943), (1078, 17427), (1099, 17094), (1221, 15386), (1554, 12089), (1617, 11618), (1727, 10878), (1813, 10362), (2198, 8547), (2442, 7693), (2849, 6594), (3234, 5809), (3297, 5698), (3454, 5439), (3626, 5181)]