18161691

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 25110528

約数和(自身を除く): 6948837

約数列:

[1, 3, 31, 93, 401, 487, 1203, 1461, 12431, 15097, 37293, 45291, 195287, 585861, 6053897, 18161691]

約数ペア:

[(1, 18161691), (3, 6053897), (31, 585861), (93, 195287), (401, 45291), (487, 37293), (1203, 15097), (1461, 12431)]