18072782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 33600000

約数和(自身を除く): 15527218

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 499, 998, 1393, 2587, 2786, 3493, 5174, 6487, 6986, 12974, 18109, 36218, 45409, 90818, 99301, 198602, 695107, 1290913, 1390214, 2581826, 9036391, 18072782]

約数ペア:

[(1, 18072782), (2, 9036391), (7, 2581826), (13, 1390214), (14, 1290913), (26, 695107), (91, 198602), (182, 99301), (199, 90818), (398, 45409), (499, 36218), (998, 18109), (1393, 12974), (2587, 6986), (2786, 6487), (3493, 5174)]