81905238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239489}}^1$

素因数の和:239516

約数の個数: 24

約数和(自身を含む): 186802200

約数和(自身を除く): 104896962

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 239489, 478978, 718467, 1436934, 2155401, 4310802, 4550291, 9100582, 13650873, 27301746, 40952619, 81905238]

約数ペア:

[(1, 81905238), (2, 40952619), (3, 27301746), (6, 13650873), (9, 9100582), (18, 4550291), (19, 4310802), (38, 2155401), (57, 1436934), (114, 718467), (171, 478978), (342, 239489)]