17890722

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{13999}}^1$

素因数の和:14078

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 21421278

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 13999, 27998, 41997, 83994, 125991, 251982, 993929, 1987858, 2981787, 5963574, 8945361, 17890722]

約数ペア:

[(1, 17890722), (2, 8945361), (3, 5963574), (6, 2981787), (9, 1987858), (18, 993929), (71, 251982), (142, 125991), (213, 83994), (426, 41997), (639, 27998), (1278, 13999)]