19449306

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 25029414

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 327, 414, 431, 654, 862, 981, 1293, 1962, 2507, 2586, 3879, 5014, 7521, 7758, 9913, 15042, 19826, 22563, 29739, 45126, 46979, 59478, 89217, 93958, 140937, 178434, 281874, 422811, 845622, 1080517, 2161034, 3241551, 6483102, 9724653, 19449306]

約数ペア:

[(1, 19449306), (2, 9724653), (3, 6483102), (6, 3241551), (9, 2161034), (18, 1080517), (23, 845622), (46, 422811), (69, 281874), (109, 178434), (138, 140937), (207, 93958), (218, 89217), (327, 59478), (414, 46979), (431, 45126), (654, 29739), (862, 22563), (981, 19826), (1293, 15042), (1962, 9913), (2507, 7758), (2586, 7521), (3879, 5014)]