18222417

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 28065024

約数和(自身を除く): 9842607

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1873, 3243, 5619, 9729, 16857, 43079, 88031, 129237, 264093, 387711, 792279, 2024713, 6074139, 18222417]

約数ペア:

[(1, 18222417), (3, 6074139), (9, 2024713), (23, 792279), (47, 387711), (69, 264093), (141, 129237), (207, 88031), (423, 43079), (1081, 16857), (1873, 9729), (3243, 5619)]