19277727

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 30096000

約数和(自身を除く): 10818273

約数列:

[1, 3, 7, 21, 49, 147, 199, 597, 659, 1393, 1977, 4179, 4613, 9751, 13839, 29253, 32291, 96873, 131141, 393423, 917987, 2753961, 6425909, 19277727]

約数ペア:

[(1, 19277727), (3, 6425909), (7, 2753961), (21, 917987), (49, 393423), (147, 131141), (199, 96873), (597, 32291), (659, 29253), (1393, 13839), (1977, 9751), (4179, 4613)]