18874782

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 43085952

約数和(自身を除く): 24211170

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 547, 639, 1094, 1278, 1641, 1917, 3282, 3834, 4923, 5751, 9846, 11502, 14769, 17253, 29538, 34506, 38837, 44307, 77674, 88614, 116511, 132921, 233022, 265842, 349533, 699066, 1048599, 2097198, 3145797, 6291594, 9437391, 18874782]

約数ペア:

[(1, 18874782), (2, 9437391), (3, 6291594), (6, 3145797), (9, 2097198), (18, 1048599), (27, 699066), (54, 349533), (71, 265842), (81, 233022), (142, 132921), (162, 116511), (213, 88614), (243, 77674), (426, 44307), (486, 38837), (547, 34506), (639, 29538), (1094, 17253), (1278, 14769), (1641, 11502), (1917, 9846), (3282, 5751), (3834, 4923)]