19645557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 9903243

約数列:

[1, 3, 17, 29, 37, 51, 87, 111, 359, 493, 629, 1073, 1077, 1479, 1887, 3219, 6103, 10411, 13283, 18241, 18309, 31233, 39849, 54723, 176987, 225811, 385207, 530961, 677433, 1155621, 6548519, 19645557]

約数ペア:

[(1, 19645557), (3, 6548519), (17, 1155621), (29, 677433), (37, 530961), (51, 385207), (87, 225811), (111, 176987), (359, 54723), (493, 39849), (629, 31233), (1073, 18309), (1077, 18241), (1479, 13283), (1887, 10411), (3219, 6103)]