1819463997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 2870067200

約数和(自身を除く): 1050603203

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 103, 247, 309, 403, 589, 741, 769, 1209, 1339, 1767, 1957, 2307, 3193, 4017, 5871, 7657, 9579, 9997, 14611, 22971, 23839, 25441, 29991, 41509, 43833, 60667, 71517, 76323, 79207, 124527, 182001, 189943, 237621, 309907, 452941, 569829, 788671, 929721, 1029691, 1358823, 1504933, 2366013, 2455417, 3089073, 4514799, 5888233, 7366251, 17664699, 19564129, 31920421, 46652923, 58692387, 95761263, 139958769, 606487999, 1819463997]

約数ペア:

[(1, 1819463997), (3, 606487999), (13, 139958769), (19, 95761263), (31, 58692387), (39, 46652923), (57, 31920421), (93, 19564129), (103, 17664699), (247, 7366251), (309, 5888233), (403, 4514799), (589, 3089073), (741, 2455417), (769, 2366013), (1209, 1504933), (1339, 1358823), (1767, 1029691), (1957, 929721), (2307, 788671), (3193, 569829), (4017, 452941), (5871, 309907), (7657, 237621), (9579, 189943), (9997, 182001), (14611, 124527), (22971, 79207), (23839, 76323), (25441, 71517), (29991, 60667), (41509, 43833)]