1888897977

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{16561}}^1$

素因数の和:16638

約数の個数: 48

約数和(自身を含む): 3100406400

約数和(自身を除く): 1211508423

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 171, 207, 261, 437, 551, 667, 1311, 1653, 2001, 3933, 4959, 6003, 12673, 16561, 38019, 49683, 114057, 149049, 314659, 380903, 480269, 943977, 1142709, 1440807, 2831931, 3428127, 4322421, 7237157, 9125111, 11046187, 21711471, 27375333, 33138561, 65134413, 82125999, 99415683, 209877553, 629632659, 1888897977]

約数ペア:

[(1, 1888897977), (3, 629632659), (9, 209877553), (19, 99415683), (23, 82125999), (29, 65134413), (57, 33138561), (69, 27375333), (87, 21711471), (171, 11046187), (207, 9125111), (261, 7237157), (437, 4322421), (551, 3428127), (667, 2831931), (1311, 1440807), (1653, 1142709), (2001, 943977), (3933, 480269), (4959, 380903), (6003, 314659), (12673, 149049), (16561, 114057), (38019, 49683)]