19254772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 36997632

約数和(自身を除く): 17742860

約数列:

[1, 2, 4, 23, 46, 47, 61, 73, 92, 94, 122, 146, 188, 244, 292, 1081, 1403, 1679, 2162, 2806, 2867, 3358, 3431, 4324, 4453, 5612, 5734, 6716, 6862, 8906, 11468, 13724, 17812, 65941, 78913, 102419, 131882, 157826, 204838, 209291, 263764, 315652, 409676, 418582, 837164, 4813693, 9627386, 19254772]

約数ペア:

[(1, 19254772), (2, 9627386), (4, 4813693), (23, 837164), (46, 418582), (47, 409676), (61, 315652), (73, 263764), (92, 209291), (94, 204838), (122, 157826), (146, 131882), (188, 102419), (244, 78913), (292, 65941), (1081, 17812), (1403, 13724), (1679, 11468), (2162, 8906), (2806, 6862), (2867, 6716), (3358, 5734), (3431, 5612), (4324, 4453)]