18781698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 21840702

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 619, 778, 1167, 1238, 1857, 2334, 3714, 5057, 8047, 10114, 15171, 16094, 24141, 30342, 48282, 240791, 481582, 722373, 1444746, 3130283, 6260566, 9390849, 18781698]

約数ペア:

[(1, 18781698), (2, 9390849), (3, 6260566), (6, 3130283), (13, 1444746), (26, 722373), (39, 481582), (78, 240791), (389, 48282), (619, 30342), (778, 24141), (1167, 16094), (1238, 15171), (1857, 10114), (2334, 8047), (3714, 5057)]