19692160

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 48745800

約数和(自身を除く): 29053640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1061, 1160, 1856, 2122, 2320, 3712, 4244, 4640, 5305, 8488, 9280, 10610, 16976, 18560, 21220, 30769, 33952, 42440, 61538, 67904, 84880, 123076, 135808, 153845, 169760, 246152, 307690, 339520, 492304, 615380, 679040, 984608, 1230760, 1969216, 2461520, 3938432, 4923040, 9846080, 19692160]

約数ペア:

[(1, 19692160), (2, 9846080), (4, 4923040), (5, 3938432), (8, 2461520), (10, 1969216), (16, 1230760), (20, 984608), (29, 679040), (32, 615380), (40, 492304), (58, 339520), (64, 307690), (80, 246152), (116, 169760), (128, 153845), (145, 135808), (160, 123076), (232, 84880), (290, 67904), (320, 61538), (464, 42440), (580, 33952), (640, 30769), (928, 21220), (1061, 18560), (1160, 16976), (1856, 10610), (2122, 9280), (2320, 8488), (3712, 5305), (4244, 4640)]