19871514

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28307}}^1$

素因数の和:28331

約数の個数: 32

約数和(自身を含む): 47557440

約数和(自身を除く): 27685926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28307, 56614, 84921, 169842, 254763, 367991, 509526, 735982, 764289, 1103973, 1528578, 2207946, 3311919, 6623838, 9935757, 19871514]

約数ペア:

[(1, 19871514), (2, 9935757), (3, 6623838), (6, 3311919), (9, 2207946), (13, 1528578), (18, 1103973), (26, 764289), (27, 735982), (39, 509526), (54, 367991), (78, 254763), (117, 169842), (234, 84921), (351, 56614), (702, 28307)]