19855864

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20857}}^1$

素因数の和:20887

約数の個数: 32

約数和(自身を含む): 45053280

約数和(自身を除く): 25197416

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 20857, 41714, 83428, 145999, 166856, 291998, 354569, 583996, 709138, 1167992, 1418276, 2481983, 2836552, 4963966, 9927932, 19855864]

約数ペア:

[(1, 19855864), (2, 9927932), (4, 4963966), (7, 2836552), (8, 2481983), (14, 1418276), (17, 1167992), (28, 709138), (34, 583996), (56, 354569), (68, 291998), (119, 166856), (136, 145999), (238, 83428), (476, 41714), (952, 20857)]