18647794

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:582

約数の個数: 24

約数和(自身を含む): 30968784

約数和(自身を除く): 12320990

約数列:

[1, 2, 11, 22, 121, 242, 251, 307, 502, 614, 2761, 3377, 5522, 6754, 30371, 37147, 60742, 74294, 77057, 154114, 847627, 1695254, 9323897, 18647794]

約数ペア:

[(1, 18647794), (2, 9323897), (11, 1695254), (22, 847627), (121, 154114), (242, 77057), (251, 74294), (307, 60742), (502, 37147), (614, 30371), (2761, 6754), (3377, 5522)]