19392175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 26462592

約数和(自身を除く): 7070417

約数列:

[1, 5, 11, 25, 55, 151, 275, 467, 755, 1661, 2335, 3775, 5137, 8305, 11675, 25685, 41525, 70517, 128425, 352585, 775687, 1762925, 3878435, 19392175]

約数ペア:

[(1, 19392175), (5, 3878435), (11, 1762925), (25, 775687), (55, 352585), (151, 128425), (275, 70517), (467, 41525), (755, 25685), (1661, 11675), (2335, 8305), (3775, 5137)]