19757485

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 27928404

約数和(自身を除く): 8170919

約数列:

[1, 5, 11, 17, 55, 85, 113, 121, 187, 289, 565, 605, 935, 1243, 1445, 1921, 2057, 3179, 6215, 9605, 10285, 13673, 15895, 21131, 32657, 34969, 68365, 105655, 163285, 174845, 232441, 359227, 1162205, 1796135, 3951497, 19757485]

約数ペア:

[(1, 19757485), (5, 3951497), (11, 1796135), (17, 1162205), (55, 359227), (85, 232441), (113, 174845), (121, 163285), (187, 105655), (289, 68365), (565, 34969), (605, 32657), (935, 21131), (1243, 15895), (1445, 13673), (1921, 10285), (2057, 9605), (3179, 6215)]