19785584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 28211344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 107, 112, 127, 182, 208, 214, 254, 364, 428, 508, 728, 749, 856, 889, 1016, 1391, 1456, 1498, 1651, 1712, 1778, 2032, 2782, 2996, 3302, 3556, 5564, 5992, 6604, 7112, 9737, 11128, 11557, 11984, 13208, 13589, 14224, 19474, 22256, 23114, 26416, 27178, 38948, 46228, 54356, 77896, 92456, 95123, 108712, 155792, 176657, 184912, 190246, 217424, 353314, 380492, 706628, 760984, 1236599, 1413256, 1521968, 2473198, 2826512, 4946396, 9892792, 19785584]

約数ペア:

[(1, 19785584), (2, 9892792), (4, 4946396), (7, 2826512), (8, 2473198), (13, 1521968), (14, 1413256), (16, 1236599), (26, 760984), (28, 706628), (52, 380492), (56, 353314), (91, 217424), (104, 190246), (107, 184912), (112, 176657), (127, 155792), (182, 108712), (208, 95123), (214, 92456), (254, 77896), (364, 54356), (428, 46228), (508, 38948), (728, 27178), (749, 26416), (856, 23114), (889, 22256), (1016, 19474), (1391, 14224), (1456, 13589), (1498, 13208), (1651, 11984), (1712, 11557), (1778, 11128), (2032, 9737), (2782, 7112), (2996, 6604), (3302, 5992), (3556, 5564)]