19911320064

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{187871}}^1$

素因数の和:187918

約数の個数: 120

約数和(自身を含む): 59964233472

約数和(自身を除く): 40052913408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 414, 512, 552, 576, 736, 768, 828, 1104, 1152, 1472, 1536, 1656, 2208, 2304, 2944, 3312, 4416, 4608, 5888, 6624, 8832, 11776, 13248, 17664, 26496, 35328, 52992, 105984, 187871, 375742, 563613, 751484, 1127226, 1502968, 1690839, 2254452, 3005936, 3381678, 4321033, 4508904, 6011872, 6763356, 8642066, 9017808, 12023744, 12963099, 13526712, 17284132, 18035616, 24047488, 25926198, 27053424, 34568264, 36071232, 38889297, 48094976, 51852396, 54106848, 69136528, 72142464, 77778594, 96189952, 103704792, 108213696, 138273056, 144284928, 155557188, 207409584, 216427392, 276546112, 288569856, 311114376, 414819168, 432854784, 553092224, 622228752, 829638336, 865709568, 1106184448, 1244457504, 1659276672, 2212368896, 2488915008, 3318553344, 4977830016, 6637106688, 9955660032, 19911320064]

約数ペア:

[(1, 19911320064), (2, 9955660032), (3, 6637106688), (4, 4977830016), (6, 3318553344), (8, 2488915008), (9, 2212368896), (12, 1659276672), (16, 1244457504), (18, 1106184448), (23, 865709568), (24, 829638336), (32, 622228752), (36, 553092224), (46, 432854784), (48, 414819168), (64, 311114376), (69, 288569856), (72, 276546112), (92, 216427392), (96, 207409584), (128, 155557188), (138, 144284928), (144, 138273056), (184, 108213696), (192, 103704792), (207, 96189952), (256, 77778594), (276, 72142464), (288, 69136528), (368, 54106848), (384, 51852396), (414, 48094976), (512, 38889297), (552, 36071232), (576, 34568264), (736, 27053424), (768, 25926198), (828, 24047488), (1104, 18035616), (1152, 17284132), (1472, 13526712), (1536, 12963099), (1656, 12023744), (2208, 9017808), (2304, 8642066), (2944, 6763356), (3312, 6011872), (4416, 4508904), (4608, 4321033), (5888, 3381678), (6624, 3005936), (8832, 2254452), (11776, 1690839), (13248, 1502968), (17664, 1127226), (26496, 751484), (35328, 563613), (52992, 375742), (105984, 187871)]