19720936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5641}}^1$

素因数の和:5689

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 20901464

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5641, 11282, 22564, 45128, 107179, 129743, 214358, 259486, 428716, 518972, 857432, 1037944, 2465117, 4930234, 9860468, 19720936]

約数ペア:

[(1, 19720936), (2, 9860468), (4, 4930234), (8, 2465117), (19, 1037944), (23, 857432), (38, 518972), (46, 428716), (76, 259486), (92, 214358), (152, 129743), (184, 107179), (437, 45128), (874, 22564), (1748, 11282), (3496, 5641)]