19951484

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 41572608

約数和(自身を除く): 21621124

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 146, 172, 227, 292, 301, 454, 511, 602, 908, 1022, 1204, 1589, 2044, 3139, 3178, 6278, 6356, 9761, 12556, 16571, 19522, 21973, 33142, 39044, 43946, 66284, 68327, 87892, 115997, 136654, 231994, 273308, 463988, 712553, 1425106, 2850212, 4987871, 9975742, 19951484]

約数ペア:

[(1, 19951484), (2, 9975742), (4, 4987871), (7, 2850212), (14, 1425106), (28, 712553), (43, 463988), (73, 273308), (86, 231994), (146, 136654), (172, 115997), (227, 87892), (292, 68327), (301, 66284), (454, 43946), (511, 39044), (602, 33142), (908, 21973), (1022, 19522), (1204, 16571), (1589, 12556), (2044, 9761), (3139, 6356), (3178, 6278)]