19451799

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 10385001

約数列:

[1, 3, 9, 27, 71, 73, 139, 213, 219, 417, 639, 657, 1251, 1917, 1971, 3753, 5183, 9869, 10147, 15549, 29607, 30441, 46647, 88821, 91323, 139941, 266463, 273969, 720437, 2161311, 6483933, 19451799]

約数ペア:

[(1, 19451799), (3, 6483933), (9, 2161311), (27, 720437), (71, 273969), (73, 266463), (139, 139941), (213, 91323), (219, 88821), (417, 46647), (639, 30441), (657, 29607), (1251, 15549), (1917, 10147), (1971, 9869), (3753, 5183)]