18722017293

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{2767}}^1$

素因数の和:3006

約数の個数: 64

約数和(自身を含む): 29931601920

約数和(自身を除く): 11209584627

約数列:

[1, 3, 7, 21, 43, 59, 127, 129, 177, 301, 381, 413, 889, 903, 1239, 2537, 2667, 2767, 5461, 7493, 7611, 8301, 16383, 17759, 19369, 22479, 38227, 52451, 53277, 58107, 114681, 118981, 157353, 163253, 322199, 351409, 356943, 489759, 832867, 966597, 1054227, 1142771, 2255393, 2459863, 2498601, 3428313, 6766179, 7019879, 7379589, 15110587, 20733131, 21059637, 45331761, 49139153, 62199393, 105774109, 145131917, 147417459, 317322327, 435395751, 891524633, 2674573899, 6240672431, 18722017293]

約数ペア:

[(1, 18722017293), (3, 6240672431), (7, 2674573899), (21, 891524633), (43, 435395751), (59, 317322327), (127, 147417459), (129, 145131917), (177, 105774109), (301, 62199393), (381, 49139153), (413, 45331761), (889, 21059637), (903, 20733131), (1239, 15110587), (2537, 7379589), (2667, 7019879), (2767, 6766179), (5461, 3428313), (7493, 2498601), (7611, 2459863), (8301, 2255393), (16383, 1142771), (17759, 1054227), (19369, 966597), (22479, 832867), (38227, 489759), (52451, 356943), (53277, 351409), (58107, 322199), (114681, 163253), (118981, 157353)]