19397168

素因数分解:

$2^4\times 7^1\times {\mathrm{173189}}^1$

素因数の和:173204

約数の個数: 20

約数和(自身を含む): 42951120

約数和(自身を除く): 23553952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173189, 346378, 692756, 1212323, 1385512, 2424646, 2771024, 4849292, 9698584, 19397168]

約数ペア:

[(1, 19397168), (2, 9698584), (4, 4849292), (7, 2771024), (8, 2424646), (14, 1385512), (16, 1212323), (28, 692756), (56, 346378), (112, 173189)]