19319487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 9952833

約数列:

[1, 3, 11, 33, 41, 109, 123, 131, 327, 393, 451, 1199, 1353, 1441, 3597, 4323, 4469, 5371, 13407, 14279, 16113, 42837, 49159, 59081, 147477, 157069, 177243, 471207, 585439, 1756317, 6439829, 19319487]

約数ペア:

[(1, 19319487), (3, 6439829), (11, 1756317), (33, 585439), (41, 471207), (109, 177243), (123, 157069), (131, 147477), (327, 59081), (393, 49159), (451, 42837), (1199, 16113), (1353, 14279), (1441, 13407), (3597, 5371), (4323, 4469)]