19039928

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{33521}}^1$

素因数の和:33598

約数の個数: 16

約数和(自身を含む): 36203760

約数和(自身を除く): 17163832

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 33521, 67042, 134084, 268168, 2379991, 4759982, 9519964, 19039928]

約数ペア:

[(1, 19039928), (2, 9519964), (4, 4759982), (8, 2379991), (71, 268168), (142, 134084), (284, 67042), (568, 33521)]