19839372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 53168640

約数和(自身を除く): 33329268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 919, 1028, 1542, 1799, 1838, 2757, 3084, 3598, 3676, 5397, 5514, 6433, 7196, 10794, 11028, 12866, 19299, 21588, 25732, 38598, 77196, 236183, 472366, 708549, 944732, 1417098, 1653281, 2834196, 3306562, 4959843, 6613124, 9919686, 19839372]

約数ペア:

[(1, 19839372), (2, 9919686), (3, 6613124), (4, 4959843), (6, 3306562), (7, 2834196), (12, 1653281), (14, 1417098), (21, 944732), (28, 708549), (42, 472366), (84, 236183), (257, 77196), (514, 38598), (771, 25732), (919, 21588), (1028, 19299), (1542, 12866), (1799, 11028), (1838, 10794), (2757, 7196), (3084, 6433), (3598, 5514), (3676, 5397)]