18878706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 52161408

約数和(自身を除く): 33282702

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 53, 63, 66, 77, 99, 106, 126, 154, 159, 198, 231, 257, 318, 371, 462, 477, 514, 583, 693, 742, 771, 954, 1113, 1166, 1386, 1542, 1749, 1799, 2226, 2313, 2827, 3339, 3498, 3598, 4081, 4626, 5247, 5397, 5654, 6678, 8162, 8481, 10494, 10794, 12243, 13621, 16191, 16962, 19789, 24486, 25443, 27242, 32382, 36729, 39578, 40863, 50886, 59367, 73458, 81726, 95347, 118734, 122589, 149831, 178101, 190694, 245178, 286041, 299662, 356202, 449493, 572082, 858123, 898986, 1048817, 1348479, 1716246, 2097634, 2696958, 3146451, 6292902, 9439353, 18878706]

約数ペア:

[(1, 18878706), (2, 9439353), (3, 6292902), (6, 3146451), (7, 2696958), (9, 2097634), (11, 1716246), (14, 1348479), (18, 1048817), (21, 898986), (22, 858123), (33, 572082), (42, 449493), (53, 356202), (63, 299662), (66, 286041), (77, 245178), (99, 190694), (106, 178101), (126, 149831), (154, 122589), (159, 118734), (198, 95347), (231, 81726), (257, 73458), (318, 59367), (371, 50886), (462, 40863), (477, 39578), (514, 36729), (583, 32382), (693, 27242), (742, 25443), (771, 24486), (954, 19789), (1113, 16962), (1166, 16191), (1386, 13621), (1542, 12243), (1749, 10794), (1799, 10494), (2226, 8481), (2313, 8162), (2827, 6678), (3339, 5654), (3498, 5397), (3598, 5247), (4081, 4626)]