18722802

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 44602272

約数和(自身を除く): 25879470

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1481, 1806, 2107, 2962, 4214, 4443, 6321, 8886, 10367, 12642, 20734, 31101, 62202, 63683, 72569, 127366, 145138, 191049, 217707, 382098, 435414, 445781, 891562, 1337343, 2674686, 3120467, 6240934, 9361401, 18722802]

約数ペア:

[(1, 18722802), (2, 9361401), (3, 6240934), (6, 3120467), (7, 2674686), (14, 1337343), (21, 891562), (42, 445781), (43, 435414), (49, 382098), (86, 217707), (98, 191049), (129, 145138), (147, 127366), (258, 72569), (294, 63683), (301, 62202), (602, 31101), (903, 20734), (1481, 12642), (1806, 10367), (2107, 8886), (2962, 6321), (4214, 4443)]