19105295

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 26314848

約数和(自身を除く): 7209553

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1373, 2783, 6865, 13915, 15103, 31579, 75515, 157895, 166133, 347369, 830665, 1736845, 3821059, 19105295]

約数ペア:

[(1, 19105295), (5, 3821059), (11, 1736845), (23, 830665), (55, 347369), (115, 166133), (121, 157895), (253, 75515), (605, 31579), (1265, 15103), (1373, 13915), (2783, 6865)]