19955808

素因数分解:

$2^5\times 3^4\times {\mathrm{7699}}^1$

素因数の和:7721

約数の個数: 60

約数和(自身を含む): 58697100

約数和(自身を除く): 38741292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7699, 15398, 23097, 30796, 46194, 61592, 69291, 92388, 123184, 138582, 184776, 207873, 246368, 277164, 369552, 415746, 554328, 623619, 739104, 831492, 1108656, 1247238, 1662984, 2217312, 2494476, 3325968, 4988952, 6651936, 9977904, 19955808]

約数ペア:

[(1, 19955808), (2, 9977904), (3, 6651936), (4, 4988952), (6, 3325968), (8, 2494476), (9, 2217312), (12, 1662984), (16, 1247238), (18, 1108656), (24, 831492), (27, 739104), (32, 623619), (36, 554328), (48, 415746), (54, 369552), (72, 277164), (81, 246368), (96, 207873), (108, 184776), (144, 138582), (162, 123184), (216, 92388), (288, 69291), (324, 61592), (432, 46194), (648, 30796), (864, 23097), (1296, 15398), (2592, 7699)]