18259722

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 47275200

約数和(自身を除く): 29015478

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 37, 38, 39, 54, 57, 74, 78, 111, 114, 117, 171, 222, 234, 247, 333, 342, 351, 481, 494, 513, 666, 702, 703, 741, 962, 999, 1026, 1369, 1406, 1443, 1482, 1998, 2109, 2223, 2738, 2886, 4107, 4218, 4329, 4446, 6327, 6669, 8214, 8658, 9139, 12321, 12654, 12987, 13338, 17797, 18278, 18981, 24642, 25974, 26011, 27417, 35594, 36963, 37962, 52022, 53391, 54834, 73926, 78033, 82251, 106782, 156066, 160173, 164502, 234099, 246753, 320346, 338143, 468198, 480519, 493506, 676286, 702297, 961038, 1014429, 1404594, 2028858, 3043287, 6086574, 9129861, 18259722]

約数ペア:

[(1, 18259722), (2, 9129861), (3, 6086574), (6, 3043287), (9, 2028858), (13, 1404594), (18, 1014429), (19, 961038), (26, 702297), (27, 676286), (37, 493506), (38, 480519), (39, 468198), (54, 338143), (57, 320346), (74, 246753), (78, 234099), (111, 164502), (114, 160173), (117, 156066), (171, 106782), (222, 82251), (234, 78033), (247, 73926), (333, 54834), (342, 53391), (351, 52022), (481, 37962), (494, 36963), (513, 35594), (666, 27417), (702, 26011), (703, 25974), (741, 24642), (962, 18981), (999, 18278), (1026, 17797), (1369, 13338), (1406, 12987), (1443, 12654), (1482, 12321), (1998, 9139), (2109, 8658), (2223, 8214), (2738, 6669), (2886, 6327), (4107, 4446), (4218, 4329)]