18121935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13327665

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 467, 597, 995, 1401, 2335, 2587, 2985, 6071, 7005, 7761, 12935, 18213, 30355, 38805, 91065, 92933, 278799, 464665, 1208129, 1393995, 3624387, 6040645, 18121935]

約数ペア:

[(1, 18121935), (3, 6040645), (5, 3624387), (13, 1393995), (15, 1208129), (39, 464665), (65, 278799), (195, 92933), (199, 91065), (467, 38805), (597, 30355), (995, 18213), (1401, 12935), (2335, 7761), (2587, 7005), (2985, 6071)]