18546786

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 43718400

約数和(自身を除く): 25171614

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 109, 137, 138, 207, 218, 274, 327, 411, 414, 621, 654, 822, 981, 1233, 1242, 1962, 2466, 2507, 2943, 3151, 3699, 5014, 5886, 6302, 7398, 7521, 9453, 14933, 15042, 18906, 22563, 28359, 29866, 44799, 45126, 56718, 67689, 85077, 89598, 134397, 135378, 170154, 268794, 343459, 403191, 686918, 806382, 1030377, 2060754, 3091131, 6182262, 9273393, 18546786]

約数ペア:

[(1, 18546786), (2, 9273393), (3, 6182262), (6, 3091131), (9, 2060754), (18, 1030377), (23, 806382), (27, 686918), (46, 403191), (54, 343459), (69, 268794), (109, 170154), (137, 135378), (138, 134397), (207, 89598), (218, 85077), (274, 67689), (327, 56718), (411, 45126), (414, 44799), (621, 29866), (654, 28359), (822, 22563), (981, 18906), (1233, 15042), (1242, 14933), (1962, 9453), (2466, 7521), (2507, 7398), (2943, 6302), (3151, 5886), (3699, 5014)]