19542656

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 47148480

約数和(自身を除く): 27605824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1283, 1904, 2176, 2566, 3808, 5132, 7616, 8981, 10264, 15232, 17962, 20528, 21811, 35924, 41056, 43622, 71848, 82112, 87244, 143696, 152677, 164224, 174488, 287392, 305354, 348976, 574784, 610708, 697952, 1149568, 1221416, 1395904, 2442832, 2791808, 4885664, 9771328, 19542656]

約数ペア:

[(1, 19542656), (2, 9771328), (4, 4885664), (7, 2791808), (8, 2442832), (14, 1395904), (16, 1221416), (17, 1149568), (28, 697952), (32, 610708), (34, 574784), (56, 348976), (64, 305354), (68, 287392), (112, 174488), (119, 164224), (128, 152677), (136, 143696), (224, 87244), (238, 82112), (272, 71848), (448, 43622), (476, 41056), (544, 35924), (896, 21811), (952, 20528), (1088, 17962), (1283, 15232), (1904, 10264), (2176, 8981), (2566, 7616), (3808, 5132)]