19089565

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 25472160

約数和(自身を除く): 6382595

約数列:

[1, 5, 11, 55, 121, 139, 227, 605, 695, 1135, 1529, 2497, 7645, 12485, 16819, 27467, 31553, 84095, 137335, 157765, 347083, 1735415, 3817913, 19089565]

約数ペア:

[(1, 19089565), (5, 3817913), (11, 1735415), (55, 347083), (121, 157765), (139, 137335), (227, 84095), (605, 31553), (695, 27467), (1135, 16819), (1529, 12485), (2497, 7645)]