18910528

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 112

約数和(自身を含む): 49158144

約数和(自身を除く): 30247616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 136, 182, 191, 208, 221, 224, 238, 272, 364, 382, 416, 442, 448, 476, 544, 728, 764, 832, 884, 952, 1088, 1337, 1456, 1528, 1547, 1768, 1904, 2483, 2674, 2912, 3056, 3094, 3247, 3536, 3808, 4966, 5348, 5824, 6112, 6188, 6494, 7072, 7616, 9932, 10696, 12224, 12376, 12988, 14144, 17381, 19864, 21392, 22729, 24752, 25976, 34762, 39728, 42211, 42784, 45458, 49504, 51952, 69524, 79456, 84422, 85568, 90916, 99008, 103904, 139048, 158912, 168844, 181832, 207808, 278096, 295477, 337688, 363664, 556192, 590954, 675376, 727328, 1112384, 1181908, 1350752, 1454656, 2363816, 2701504, 4727632, 9455264, 18910528]

約数ペア:

[(1, 18910528), (2, 9455264), (4, 4727632), (7, 2701504), (8, 2363816), (13, 1454656), (14, 1350752), (16, 1181908), (17, 1112384), (26, 727328), (28, 675376), (32, 590954), (34, 556192), (52, 363664), (56, 337688), (64, 295477), (68, 278096), (91, 207808), (104, 181832), (112, 168844), (119, 158912), (136, 139048), (182, 103904), (191, 99008), (208, 90916), (221, 85568), (224, 84422), (238, 79456), (272, 69524), (364, 51952), (382, 49504), (416, 45458), (442, 42784), (448, 42211), (476, 39728), (544, 34762), (728, 25976), (764, 24752), (832, 22729), (884, 21392), (952, 19864), (1088, 17381), (1337, 14144), (1456, 12988), (1528, 12376), (1547, 12224), (1768, 10696), (1904, 9932), (2483, 7616), (2674, 7072), (2912, 6494), (3056, 6188), (3094, 6112), (3247, 5824), (3536, 5348), (3808, 4966)]