19087904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 41350176

約数和(自身を除く): 22262272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 211, 257, 352, 422, 514, 844, 1028, 1688, 2056, 2321, 2827, 3376, 4112, 4642, 5654, 6752, 8224, 9284, 11308, 18568, 22616, 37136, 45232, 54227, 74272, 90464, 108454, 216908, 433816, 596497, 867632, 1192994, 1735264, 2385988, 4771976, 9543952, 19087904]

約数ペア:

[(1, 19087904), (2, 9543952), (4, 4771976), (8, 2385988), (11, 1735264), (16, 1192994), (22, 867632), (32, 596497), (44, 433816), (88, 216908), (176, 108454), (211, 90464), (257, 74272), (352, 54227), (422, 45232), (514, 37136), (844, 22616), (1028, 18568), (1688, 11308), (2056, 9284), (2321, 8224), (2827, 6752), (3376, 5654), (4112, 4642)]