19762325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 27706560

約数和(自身を除く): 7944235

約数列:

[1, 5, 11, 25, 47, 55, 121, 139, 235, 275, 517, 605, 695, 1175, 1529, 2585, 3025, 3475, 5687, 6533, 7645, 12925, 16819, 28435, 32665, 38225, 71863, 84095, 142175, 163325, 359315, 420475, 790493, 1796575, 3952465, 19762325]

約数ペア:

[(1, 19762325), (5, 3952465), (11, 1796575), (25, 790493), (47, 420475), (55, 359315), (121, 163325), (139, 142175), (235, 84095), (275, 71863), (517, 38225), (605, 32665), (695, 28435), (1175, 16819), (1529, 12925), (2585, 7645), (3025, 6533), (3475, 5687)]