19288854

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 29143530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 71, 78, 81, 86, 117, 129, 142, 162, 213, 234, 243, 258, 351, 387, 426, 486, 559, 639, 702, 774, 923, 1053, 1118, 1161, 1278, 1677, 1846, 1917, 2106, 2322, 2769, 3053, 3159, 3354, 3483, 3834, 5031, 5538, 5751, 6106, 6318, 6966, 8307, 9159, 10062, 10449, 11502, 15093, 16614, 17253, 18318, 20898, 24921, 27477, 30186, 34506, 39689, 45279, 49842, 54954, 74763, 79378, 82431, 90558, 119067, 135837, 149526, 164862, 224289, 238134, 247293, 271674, 357201, 448578, 494586, 714402, 741879, 1071603, 1483758, 2143206, 3214809, 6429618, 9644427, 19288854]

約数ペア:

[(1, 19288854), (2, 9644427), (3, 6429618), (6, 3214809), (9, 2143206), (13, 1483758), (18, 1071603), (26, 741879), (27, 714402), (39, 494586), (43, 448578), (54, 357201), (71, 271674), (78, 247293), (81, 238134), (86, 224289), (117, 164862), (129, 149526), (142, 135837), (162, 119067), (213, 90558), (234, 82431), (243, 79378), (258, 74763), (351, 54954), (387, 49842), (426, 45279), (486, 39689), (559, 34506), (639, 30186), (702, 27477), (774, 24921), (923, 20898), (1053, 18318), (1118, 17253), (1161, 16614), (1278, 15093), (1677, 11502), (1846, 10449), (1917, 10062), (2106, 9159), (2322, 8307), (2769, 6966), (3053, 6318), (3159, 6106), (3354, 5751), (3483, 5538), (3834, 5031)]