19162880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 50110704

約数和(自身を除く): 30947824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1361, 1408, 1760, 2722, 2816, 3520, 5444, 6805, 7040, 10888, 13610, 14080, 14971, 21776, 27220, 29942, 43552, 54440, 59884, 74855, 87104, 108880, 119768, 149710, 174208, 217760, 239536, 299420, 348416, 435520, 479072, 598840, 871040, 958144, 1197680, 1742080, 1916288, 2395360, 3832576, 4790720, 9581440, 19162880]

約数ペア:

[(1, 19162880), (2, 9581440), (4, 4790720), (5, 3832576), (8, 2395360), (10, 1916288), (11, 1742080), (16, 1197680), (20, 958144), (22, 871040), (32, 598840), (40, 479072), (44, 435520), (55, 348416), (64, 299420), (80, 239536), (88, 217760), (110, 174208), (128, 149710), (160, 119768), (176, 108880), (220, 87104), (256, 74855), (320, 59884), (352, 54440), (440, 43552), (640, 29942), (704, 27220), (880, 21776), (1280, 14971), (1361, 14080), (1408, 13610), (1760, 10888), (2722, 7040), (2816, 6805), (3520, 5444)]