19826744

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 42631680

約数和(自身を除く): 22804936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 727, 974, 1454, 1948, 2908, 3409, 3896, 5089, 5816, 6818, 10178, 13636, 20356, 27272, 40712, 354049, 708098, 1416196, 2478343, 2832392, 4956686, 9913372, 19826744]

約数ペア:

[(1, 19826744), (2, 9913372), (4, 4956686), (7, 2832392), (8, 2478343), (14, 1416196), (28, 708098), (56, 354049), (487, 40712), (727, 27272), (974, 20356), (1454, 13636), (1948, 10178), (2908, 6818), (3409, 5816), (3896, 5089)]