2019347721

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 3272308416

約数和(自身を除く): 1252960695

約数列:

[1, 3, 9, 19, 23, 57, 61, 69, 171, 183, 207, 361, 437, 443, 549, 1083, 1159, 1311, 1329, 1403, 3249, 3477, 3933, 3987, 4209, 8303, 8417, 10189, 10431, 12627, 22021, 24909, 25251, 26657, 27023, 30567, 66063, 74727, 75753, 79971, 81069, 91701, 159923, 193591, 198189, 239913, 243207, 479769, 506483, 513437, 580773, 621529, 1439307, 1519449, 1540311, 1742319, 1864587, 3678229, 4558347, 4620933, 5593761, 9755303, 11034687, 11809051, 29265909, 33104061, 35427153, 87797727, 106281459, 224371969, 673115907, 2019347721]

約数ペア:

[(1, 2019347721), (3, 673115907), (9, 224371969), (19, 106281459), (23, 87797727), (57, 35427153), (61, 33104061), (69, 29265909), (171, 11809051), (183, 11034687), (207, 9755303), (361, 5593761), (437, 4620933), (443, 4558347), (549, 3678229), (1083, 1864587), (1159, 1742319), (1311, 1540311), (1329, 1519449), (1403, 1439307), (3249, 621529), (3477, 580773), (3933, 513437), (3987, 506483), (4209, 479769), (8303, 243207), (8417, 239913), (10189, 198189), (10431, 193591), (12627, 159923), (22021, 91701), (24909, 81069), (25251, 79971), (26657, 75753), (27023, 74727), (30567, 66063)]