19662728

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{22549}}^1$

素因数の和:22664

約数の個数: 16

約数和(自身を含む): 37207500

約数和(自身を除く): 17544772

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 22549, 45098, 90196, 180392, 2457841, 4915682, 9831364, 19662728]

約数ペア:

[(1, 19662728), (2, 9831364), (4, 4915682), (8, 2457841), (109, 180392), (218, 90196), (436, 45098), (872, 22549)]