19391025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5501}}^1$

素因数の和:5561

約数の個数: 24

約数和(自身を含む): 32747904

約数和(自身を除く): 13356879

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5501, 16503, 27505, 82515, 137525, 258547, 412575, 775641, 1292735, 3878205, 6463675, 19391025]

約数ペア:

[(1, 19391025), (3, 6463675), (5, 3878205), (15, 1292735), (25, 775641), (47, 412575), (75, 258547), (141, 137525), (235, 82515), (705, 27505), (1175, 16503), (3525, 5501)]