19409562

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 44299008

約数和(自身を除く): 24889446

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 173, 207, 271, 346, 414, 519, 542, 813, 1038, 1557, 1626, 2439, 3114, 3979, 4878, 6233, 7958, 11937, 12466, 18699, 23874, 35811, 37398, 46883, 56097, 71622, 93766, 112194, 140649, 281298, 421947, 843894, 1078309, 2156618, 3234927, 6469854, 9704781, 19409562]

約数ペア:

[(1, 19409562), (2, 9704781), (3, 6469854), (6, 3234927), (9, 2156618), (18, 1078309), (23, 843894), (46, 421947), (69, 281298), (138, 140649), (173, 112194), (207, 93766), (271, 71622), (346, 56097), (414, 46883), (519, 37398), (542, 35811), (813, 23874), (1038, 18699), (1557, 12466), (1626, 11937), (2439, 7958), (3114, 6233), (3979, 4878)]