19634781664

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{68351}}^1$

素因数の和:68599

約数の個数: 48

約数和(自身を含む): 39685718016

約数和(自身を除く): 20050936352

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 191, 376, 382, 752, 764, 1504, 1528, 3056, 6112, 8977, 17954, 35908, 68351, 71816, 136702, 143632, 273404, 287264, 546808, 1093616, 2187232, 3212497, 6424994, 12849988, 13055041, 25699976, 26110082, 51399952, 52220164, 102799904, 104440328, 208880656, 417761312, 613586927, 1227173854, 2454347708, 4908695416, 9817390832, 19634781664]

約数ペア:

[(1, 19634781664), (2, 9817390832), (4, 4908695416), (8, 2454347708), (16, 1227173854), (32, 613586927), (47, 417761312), (94, 208880656), (188, 104440328), (191, 102799904), (376, 52220164), (382, 51399952), (752, 26110082), (764, 25699976), (1504, 13055041), (1528, 12849988), (3056, 6424994), (6112, 3212497), (8977, 2187232), (17954, 1093616), (35908, 546808), (68351, 287264), (71816, 273404), (136702, 143632)]