19774145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3943}}^1$

素因数の和:4024

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 5782975

約数列:

[1, 5, 17, 59, 85, 295, 1003, 3943, 5015, 19715, 67031, 232637, 335155, 1163185, 3954829, 19774145]

約数ペア:

[(1, 19774145), (5, 3954829), (17, 1163185), (59, 335155), (85, 232637), (295, 67031), (1003, 19715), (3943, 5015)]