19123216

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1511}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 23624048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1511, 1582, 1808, 3022, 3164, 6044, 6328, 10577, 12088, 12656, 21154, 24176, 42308, 84616, 169232, 170743, 341486, 682972, 1195201, 1365944, 2390402, 2731888, 4780804, 9561608, 19123216]

約数ペア:

[(1, 19123216), (2, 9561608), (4, 4780804), (7, 2731888), (8, 2390402), (14, 1365944), (16, 1195201), (28, 682972), (56, 341486), (112, 170743), (113, 169232), (226, 84616), (452, 42308), (791, 24176), (904, 21154), (1511, 12656), (1582, 12088), (1808, 10577), (3022, 6328), (3164, 6044)]