17905914

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 26849286

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1109, 1242, 1794, 2218, 2691, 3327, 5382, 6654, 8073, 9981, 14417, 16146, 19962, 25507, 28834, 29943, 43251, 51014, 59886, 76521, 86502, 129753, 153042, 229563, 259506, 331591, 389259, 459126, 663182, 688689, 778518, 994773, 1377378, 1989546, 2984319, 5968638, 8952957, 17905914]

約数ペア:

[(1, 17905914), (2, 8952957), (3, 5968638), (6, 2984319), (9, 1989546), (13, 1377378), (18, 994773), (23, 778518), (26, 688689), (27, 663182), (39, 459126), (46, 389259), (54, 331591), (69, 259506), (78, 229563), (117, 153042), (138, 129753), (207, 86502), (234, 76521), (299, 59886), (351, 51014), (414, 43251), (598, 29943), (621, 28834), (702, 25507), (897, 19962), (1109, 16146), (1242, 14417), (1794, 9981), (2218, 8073), (2691, 6654), (3327, 5382)]