18129895

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 26496000

約数和(自身を除く): 8366105

約数列:

[1, 5, 7, 19, 35, 95, 133, 137, 199, 665, 685, 959, 995, 1393, 2603, 3781, 4795, 6965, 13015, 18221, 18905, 26467, 27263, 91105, 132335, 136315, 190841, 517997, 954205, 2589985, 3625979, 18129895]

約数ペア:

[(1, 18129895), (5, 3625979), (7, 2589985), (19, 954205), (35, 517997), (95, 190841), (133, 136315), (137, 132335), (199, 91105), (665, 27263), (685, 26467), (959, 18905), (995, 18221), (1393, 13015), (2603, 6965), (3781, 4795)]