19613451

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 11432949

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 349, 393, 429, 1047, 1441, 1703, 3839, 4323, 4537, 5109, 11517, 13611, 18733, 45719, 49907, 56199, 137157, 149721, 502909, 594347, 1508727, 1783041, 6537817, 19613451]

約数ペア:

[(1, 19613451), (3, 6537817), (11, 1783041), (13, 1508727), (33, 594347), (39, 502909), (131, 149721), (143, 137157), (349, 56199), (393, 49907), (429, 45719), (1047, 18733), (1441, 13611), (1703, 11517), (3839, 5109), (4323, 4537)]