19149831

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 30187200

約数和(自身を除く): 11037369

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 661, 783, 999, 1073, 1983, 3219, 5949, 9657, 17847, 19169, 24457, 28971, 57507, 73371, 172521, 220113, 517563, 660339, 709253, 2127759, 6383277, 19149831]

約数ペア:

[(1, 19149831), (3, 6383277), (9, 2127759), (27, 709253), (29, 660339), (37, 517563), (87, 220113), (111, 172521), (261, 73371), (333, 57507), (661, 28971), (783, 24457), (999, 19169), (1073, 17847), (1983, 9657), (3219, 5949)]