18685134

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 45830400

約数和(自身を除く): 27145266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 619, 702, 774, 1118, 1161, 1238, 1677, 1857, 2322, 3354, 3714, 5031, 5571, 8047, 10062, 11142, 15093, 16094, 16713, 24141, 26617, 30186, 33426, 48282, 53234, 72423, 79851, 144846, 159702, 217269, 239553, 346021, 434538, 479106, 692042, 718659, 1038063, 1437318, 2076126, 3114189, 6228378, 9342567, 18685134]

約数ペア:

[(1, 18685134), (2, 9342567), (3, 6228378), (6, 3114189), (9, 2076126), (13, 1437318), (18, 1038063), (26, 718659), (27, 692042), (39, 479106), (43, 434538), (54, 346021), (78, 239553), (86, 217269), (117, 159702), (129, 144846), (234, 79851), (258, 72423), (351, 53234), (387, 48282), (559, 33426), (619, 30186), (702, 26617), (774, 24141), (1118, 16713), (1161, 16094), (1238, 15093), (1677, 11142), (1857, 10062), (2322, 8047), (3354, 5571), (3714, 5031)]