19478445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3947}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 16906323

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 3947, 4935, 11841, 19735, 27629, 59205, 82887, 138145, 185509, 414435, 556527, 927545, 1298563, 2782635, 3895689, 6492815, 19478445]

約数ペア:

[(1, 19478445), (3, 6492815), (5, 3895689), (7, 2782635), (15, 1298563), (21, 927545), (35, 556527), (47, 414435), (105, 185509), (141, 138145), (235, 82887), (329, 59205), (705, 27629), (987, 19735), (1645, 11841), (3947, 4935)]