19178247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 29111040

約数和(自身を除く): 9932793

約数列:

[1, 3, 11, 33, 37, 111, 113, 139, 339, 407, 417, 1221, 1243, 1529, 3729, 4181, 4587, 5143, 12543, 15429, 15707, 45991, 47121, 56573, 137973, 169719, 172777, 518331, 581159, 1743477, 6392749, 19178247]

約数ペア:

[(1, 19178247), (3, 6392749), (11, 1743477), (33, 581159), (37, 518331), (111, 172777), (113, 169719), (139, 137973), (339, 56573), (407, 47121), (417, 45991), (1221, 15707), (1243, 15429), (1529, 12543), (3729, 5143), (4181, 4587)]