18859464

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20149}}^1$

素因数の和:20174

約数の個数: 48

約数和(自身を含む): 55009500

約数和(自身を除く): 36150036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20149, 40298, 60447, 80596, 120894, 161192, 181341, 241788, 261937, 362682, 483576, 523874, 725364, 785811, 1047748, 1450728, 1571622, 2095496, 2357433, 3143244, 4714866, 6286488, 9429732, 18859464]

約数ペア:

[(1, 18859464), (2, 9429732), (3, 6286488), (4, 4714866), (6, 3143244), (8, 2357433), (9, 2095496), (12, 1571622), (13, 1450728), (18, 1047748), (24, 785811), (26, 725364), (36, 523874), (39, 483576), (52, 362682), (72, 261937), (78, 241788), (104, 181341), (117, 161192), (156, 120894), (234, 80596), (312, 60447), (468, 40298), (936, 20149)]