19008957232

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{120383}}^1$

素因数の和:120601

約数の個数: 40

約数和(自身を含む): 37617592320

約数和(自身を除く): 18608635088

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 556, 568, 1112, 1136, 2224, 9869, 19738, 39476, 78952, 120383, 157904, 240766, 481532, 963064, 1926128, 8547193, 16733237, 17094386, 33466474, 34188772, 66932948, 68377544, 133865896, 136755088, 267731792, 1188059827, 2376119654, 4752239308, 9504478616, 19008957232]

約数ペア:

[(1, 19008957232), (2, 9504478616), (4, 4752239308), (8, 2376119654), (16, 1188059827), (71, 267731792), (139, 136755088), (142, 133865896), (278, 68377544), (284, 66932948), (556, 34188772), (568, 33466474), (1112, 17094386), (1136, 16733237), (2224, 8547193), (9869, 1926128), (19738, 963064), (39476, 481532), (78952, 240766), (120383, 157904)]