19993824

素因数分解:

$2^5\times 3^3\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 59300640

約数和(自身を除く): 39306816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 73, 96, 108, 144, 146, 216, 219, 288, 292, 317, 432, 438, 584, 634, 657, 864, 876, 951, 1168, 1268, 1314, 1752, 1902, 1971, 2336, 2536, 2628, 2853, 3504, 3804, 3942, 5072, 5256, 5706, 7008, 7608, 7884, 8559, 10144, 10512, 11412, 15216, 15768, 17118, 21024, 22824, 23141, 30432, 31536, 34236, 45648, 46282, 63072, 68472, 69423, 91296, 92564, 136944, 138846, 185128, 208269, 273888, 277692, 370256, 416538, 555384, 624807, 740512, 833076, 1110768, 1249614, 1666152, 2221536, 2499228, 3332304, 4998456, 6664608, 9996912, 19993824]

約数ペア:

[(1, 19993824), (2, 9996912), (3, 6664608), (4, 4998456), (6, 3332304), (8, 2499228), (9, 2221536), (12, 1666152), (16, 1249614), (18, 1110768), (24, 833076), (27, 740512), (32, 624807), (36, 555384), (48, 416538), (54, 370256), (72, 277692), (73, 273888), (96, 208269), (108, 185128), (144, 138846), (146, 136944), (216, 92564), (219, 91296), (288, 69423), (292, 68472), (317, 63072), (432, 46282), (438, 45648), (584, 34236), (634, 31536), (657, 30432), (864, 23141), (876, 22824), (951, 21024), (1168, 17118), (1268, 15768), (1314, 15216), (1752, 11412), (1902, 10512), (1971, 10144), (2336, 8559), (2536, 7884), (2628, 7608), (2853, 7008), (3504, 5706), (3804, 5256), (3942, 5072)]