18220266

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{7727}}^1$

素因数の和:7866

約数の個数: 24

約数和(自身を含む): 39783744

約数和(自身を除く): 21563478

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 7727, 15454, 23181, 46362, 69543, 139086, 1012237, 2024474, 3036711, 6073422, 9110133, 18220266]

約数ペア:

[(1, 18220266), (2, 9110133), (3, 6073422), (6, 3036711), (9, 2024474), (18, 1012237), (131, 139086), (262, 69543), (393, 46362), (786, 23181), (1179, 15454), (2358, 7727)]