81051948

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39499}}^1$

素因数の和:39531

約数の個数: 48

約数和(自身を含む): 221200000

約数和(自身を除く): 140148052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39499, 78998, 118497, 157996, 236994, 355491, 473988, 710982, 750481, 1066473, 1421964, 1500962, 2132946, 2251443, 3001924, 4265892, 4502886, 6754329, 9005772, 13508658, 20262987, 27017316, 40525974, 81051948]

約数ペア:

[(1, 81051948), (2, 40525974), (3, 27017316), (4, 20262987), (6, 13508658), (9, 9005772), (12, 6754329), (18, 4502886), (19, 4265892), (27, 3001924), (36, 2251443), (38, 2132946), (54, 1500962), (57, 1421964), (76, 1066473), (108, 750481), (114, 710982), (171, 473988), (228, 355491), (342, 236994), (513, 157996), (684, 118497), (1026, 78998), (2052, 39499)]