19473916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 24878084

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2749, 3542, 5498, 7084, 10996, 19243, 30239, 38486, 60478, 63227, 76972, 120956, 126454, 211673, 252908, 423346, 442589, 695497, 846692, 885178, 1390994, 1770356, 2781988, 4868479, 9736958, 19473916]

約数ペア:

[(1, 19473916), (2, 9736958), (4, 4868479), (7, 2781988), (11, 1770356), (14, 1390994), (22, 885178), (23, 846692), (28, 695497), (44, 442589), (46, 423346), (77, 252908), (92, 211673), (154, 126454), (161, 120956), (253, 76972), (308, 63227), (322, 60478), (506, 38486), (644, 30239), (1012, 19243), (1771, 10996), (2749, 7084), (3542, 5498)]