18278136

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 52083240

約数和(自身を除く): 33805104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 324, 402, 421, 536, 603, 648, 804, 842, 1206, 1263, 1608, 1684, 1809, 2412, 2526, 3368, 3618, 3789, 4824, 5052, 5427, 7236, 7578, 10104, 10854, 11367, 14472, 15156, 21708, 22734, 28207, 30312, 34101, 43416, 45468, 56414, 68202, 84621, 90936, 112828, 136404, 169242, 225656, 253863, 272808, 338484, 507726, 676968, 761589, 1015452, 1523178, 2030904, 2284767, 3046356, 4569534, 6092712, 9139068, 18278136]

約数ペア:

[(1, 18278136), (2, 9139068), (3, 6092712), (4, 4569534), (6, 3046356), (8, 2284767), (9, 2030904), (12, 1523178), (18, 1015452), (24, 761589), (27, 676968), (36, 507726), (54, 338484), (67, 272808), (72, 253863), (81, 225656), (108, 169242), (134, 136404), (162, 112828), (201, 90936), (216, 84621), (268, 68202), (324, 56414), (402, 45468), (421, 43416), (536, 34101), (603, 30312), (648, 28207), (804, 22734), (842, 21708), (1206, 15156), (1263, 14472), (1608, 11367), (1684, 10854), (1809, 10104), (2412, 7578), (2526, 7236), (3368, 5427), (3618, 5052), (3789, 4824)]