19664008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27011}}^1$

素因数の和:27037

約数の個数: 32

約数和(自身を含む): 45380160

約数和(自身を除く): 25716152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27011, 54022, 108044, 189077, 216088, 351143, 378154, 702286, 756308, 1404572, 1512616, 2458001, 2809144, 4916002, 9832004, 19664008]

約数ペア:

[(1, 19664008), (2, 9832004), (4, 4916002), (7, 2809144), (8, 2458001), (13, 1512616), (14, 1404572), (26, 756308), (28, 702286), (52, 378154), (56, 351143), (91, 216088), (104, 189077), (182, 108044), (364, 54022), (728, 27011)]