19155664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 40854528

約数和(自身を除く): 21698864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 857, 1016, 1397, 1714, 2032, 2794, 3428, 5588, 6856, 9427, 11176, 13712, 18854, 22352, 37708, 75416, 108839, 150832, 217678, 435356, 870712, 1197229, 1741424, 2394458, 4788916, 9577832, 19155664]

約数ペア:

[(1, 19155664), (2, 9577832), (4, 4788916), (8, 2394458), (11, 1741424), (16, 1197229), (22, 870712), (44, 435356), (88, 217678), (127, 150832), (176, 108839), (254, 75416), (508, 37708), (857, 22352), (1016, 18854), (1397, 13712), (1714, 11176), (2032, 9427), (2794, 6856), (3428, 5588)]