1999320828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{16831}}^1$

素因数の和:17378

約数の個数: 48

約数和(自身を含む): 4920330240

約数和(自身を除く): 2921009412

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 521, 1042, 1563, 2084, 3126, 6252, 9899, 16831, 19798, 29697, 33662, 39596, 50493, 59394, 67324, 100986, 118788, 201972, 319789, 639578, 959367, 1279156, 1918734, 3837468, 8768951, 17537902, 26306853, 35075804, 52613706, 105227412, 166610069, 333220138, 499830207, 666440276, 999660414, 1999320828]

約数ペア:

[(1, 1999320828), (2, 999660414), (3, 666440276), (4, 499830207), (6, 333220138), (12, 166610069), (19, 105227412), (38, 52613706), (57, 35075804), (76, 26306853), (114, 17537902), (228, 8768951), (521, 3837468), (1042, 1918734), (1563, 1279156), (2084, 959367), (3126, 639578), (6252, 319789), (9899, 201972), (16831, 118788), (19798, 100986), (29697, 67324), (33662, 59394), (39596, 50493)]