19661824

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 88

約数和(自身を含む): 48603968

約数和(自身を除く): 28942144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 211, 224, 256, 364, 416, 422, 448, 512, 728, 832, 844, 896, 1024, 1456, 1477, 1664, 1688, 1792, 2743, 2912, 2954, 3328, 3376, 3584, 5486, 5824, 5908, 6656, 6752, 7168, 10972, 11648, 11816, 13312, 13504, 19201, 21944, 23296, 23632, 27008, 38402, 43888, 46592, 47264, 54016, 76804, 87776, 93184, 94528, 108032, 153608, 175552, 189056, 216064, 307216, 351104, 378112, 614432, 702208, 756224, 1228864, 1404416, 1512448, 2457728, 2808832, 4915456, 9830912, 19661824]

約数ペア:

[(1, 19661824), (2, 9830912), (4, 4915456), (7, 2808832), (8, 2457728), (13, 1512448), (14, 1404416), (16, 1228864), (26, 756224), (28, 702208), (32, 614432), (52, 378112), (56, 351104), (64, 307216), (91, 216064), (104, 189056), (112, 175552), (128, 153608), (182, 108032), (208, 94528), (211, 93184), (224, 87776), (256, 76804), (364, 54016), (416, 47264), (422, 46592), (448, 43888), (512, 38402), (728, 27008), (832, 23632), (844, 23296), (896, 21944), (1024, 19201), (1456, 13504), (1477, 13312), (1664, 11816), (1688, 11648), (1792, 10972), (2743, 7168), (2912, 6752), (2954, 6656), (3328, 5908), (3376, 5824), (3584, 5486)]